whatman QM-A石英纤维滤纸圆型 1851-090 QMA 9.0CM 100/PK

whatman QM-A石英纤维滤纸圆型 1851-090 QMA 9.0CM 100/PK

 

whatman

滤膜滤纸滤器 1851-025 QMA 2.5CM 100/PK QM-A石英纤维滤纸圆型25mm/100
whatman 滤膜滤纸滤器 1851-032 QMA 3.2CM 100/PK QM-A石英纤维滤纸圆型32mm/100
whatman 滤膜滤纸滤器 1851-037 QMA 3.7CM 100/PK QM-A石英纤维滤纸圆型37mm/100
whatman 滤膜滤纸滤器 1851-040 QMA 4.0CM 100/PK
whatman 滤膜滤纸滤器 1851-045 QMA 4.5CM 100/PK 0
whatman 滤膜滤纸滤器 1851-047 QMA 4.7CM 100/PK QM-A石英纤维滤纸圆型47mm/100
whatman 滤膜滤纸滤器 1851-050 QMA 5.0CM 100/PK QM-A石英纤维滤纸圆型50mm/100
whatman 滤膜滤纸滤器 1851-055 QMA 5.5CM 100/PK 0
whatman 滤膜滤纸滤器 1851-082 QMA 8.26CM 100/PK 0
whatman 滤膜滤纸滤器 1851-085 QMA 8.5CM 100/PK QM-A石英纤维滤纸圆型85mm/100
whatman 滤膜滤纸滤器 1851-090 QMA 9.0CM 100/PK QM-A石英纤维滤纸圆型90mm/100
whatman 滤膜滤纸滤器 1851-101 QMA 10.16CM 100/PK QM-A石英纤维滤纸圆型101.6mm/100
whatman 滤膜滤纸滤器 1851-110 QMA 11CM 100/PK QM-A石英纤维滤纸圆型110mm/100
whatman 滤膜滤纸滤器 1851-118 QMA 11.8CM 100/PK QM-A石英纤维滤纸圆型118mm/100
whatman 滤膜滤纸滤器 1851-150 QMA 15CM 100/PK QM-A石英纤维滤纸圆型150mm/100
whatman 滤膜滤纸滤器 1851-6941 QMA 54CMX66CM 100PK
whatman 滤膜滤纸滤器 1851-865 QMA 8x10IN 25/PK QM-A石英纤维滤纸方形8x10inch/25

Wheaton 惠顿 W985902 冻存瓶     2mL 内旋盖,自然色,带书写涂层    盒  

Wheaton 惠顿 W985902 冻存瓶     2mL 内旋盖,自然色,带书写涂层    盒

227497-16        生化需氧量瓶         300mL  361 – 384, 玻璃robotic塞    盒          24     ¥3,683.61

227497-17G     生化需氧量瓶         300mL  385 – 408, 玻璃pennyhead塞      盒          24     ¥3,683.61

227497-17        生化需氧量瓶         300mL  385 – 408, 玻璃robotic塞    盒          24     ¥3,683.61

227497-18G     生化需氧量瓶         300mL  409 – 432, 玻璃pennyhead塞      盒          24     ¥3,683.61

227497-18        生化需氧量瓶         300mL  409 – 432, 玻璃robotic塞    盒          24     ¥3,683.61

227497-99G     生化需氧量瓶         300mL  特殊序列, 玻璃pennyhead塞    盒          24     ¥6,569.43

227497-99        生化需氧量瓶         300mL  特殊序列, 玻璃robotic塞  盒          24     ¥6,569.43

备用塞

60mL和300mL BOD瓶备用塞

227670     备用塞     玻璃robotic塞        盒          12     ¥578.13

227672     备用塞     玻璃pennyhead塞 盒          12     ¥556.29

300mL黑色BOD瓶

“用于光敏感样品,瓶身镀有黑色PVC塑料膜来阻挡800nm以内的所有可见光从而抑制藻类产生氧气,使用货号227670备用塞

227667     黑色生化需氧瓶     300mL 黑色PVC镀膜   盒          20     ¥4,722.90

2L BOD瓶

“推荐用于长期的生化需氧量以及极限的生化需氧量分析,由Wheaton33低析出硼硅玻璃制造,使用货号227670备用塞

227580     生化需氧瓶     2L     个          1       ¥1,345.89

BOD瓶通气装置

40-60um玻璃熔孔,适用于300mL瓶身,用于检测饮料、表面、盐水以及家庭或者工业废水中的有机汞或者无机汞

227700     通气装置         生化需氧瓶通气装置     个          1       ¥1,336.86

BOD瓶盖

聚乙烯瓶盖阻止了5天生化需氧量培养阶段水的蒸发,内含泡沫衬垫来增加塞子的压力确保安全固定

227723     瓶盖         瓶盖         盒          50     ¥569.52

BOD瓶架

方便安全地运输BOD瓶,夹子可叠放

W227729 瓶架         可放20个60mL瓶子    个          1       ¥863.94

W227731 瓶架         可放12个300mL瓶子  个          1       ¥685.86

BOD塞子安全带

橡胶安全带可防止塞子的丢失

776580     塞子安全带     橡胶安全带     盒          25     ¥245.49

炸弹型采样器

适用于地下液体样品采样,500mL容量,这些元件由防腐蚀302不锈钢制造

885200     塞子安全带     500mL炸弹型采样器     个          1       ¥12,481.14

桶式采样器

适用于快速简便的样品检索,使用时,将采样器一端插入桶内并用手指堵住另外一端,将样品留在管内,一次性使用

885300     桶式采样器     25mL        盒          100  ¥2,223.06

885302     桶式采样器     75mL        盒          24     ¥950.46

885303     桶式采样器     150mL      盒          24     ¥1,363.53

可回用Coliwasa

特制的顶端旋钮以及底端阀板机制为样品保留提供了很好地密封性,以及可以更好地控制释放样品,由无色透明PVC制造

885250     元件         144cm Coliwasa元件      个          1       ¥3,713.43

885252     元件         183cm Coliwasa元件      个          1       ¥4,134.48

885253     扩展连接器     144cm 扩展连接器        个          1       ¥2,323.23

885255     扩展连接器     183cm 扩展连接器        个          1       ¥2,772.84

885258     备用部件         底板和不锈钢螺母         个          1       ¥272.16

玻璃Coliwasa采样器

适用于在管内、水槽、水库内采集复合液体样本,一次性或者可回用元件重复使用,PTFE液封圈防止漏液

885220     玻璃采样器     一次性带刻度元件,钠钙玻璃     盒          12     ¥1,736.91

885230     玻璃采样器     无刻度可回用元件,硼硅玻璃     盒          12     ¥4,249.35

885231     玻璃采样器     带刻度可回用元件,硼硅玻璃     盒          12     ¥4,266.78

885232     玻璃采样器     PTFE备用密封圈    盒          10     ¥437.85

喇叭状Coliwasa采样器

适用于泥状或者半固体状样品采样,一次性钠钙玻璃材质,玻璃的硬度使得采样器可以在半固体或者泥状材料上钻孔采样

885235     喇叭状采样器         200mL容量     盒          12     ¥2,375.10

E-Z采样器

适用于从开口顶端桶或槽内未知样品的采样,由抗化学腐蚀材料聚丙烯制造

885020     采样器     采样器全套     个          1       ¥2,399.46

885025     带盖瓶子         125mL带盖瓶子,瓶口33-430     盒          12     ¥1,235.85

240480     备用旋盖         33-430 带PTFE表面橡胶塞垫的黑色酚醛树脂旋盖  盒          100  ¥3,108.21

I型地下抓斗式取样器

适用于从泄洪道、码头以及其他的地下采样,避免表面污染,满足EPA对水以及废水的采样要求

990250     地下抓斗式取样器         I型地下抓斗式取样器           个          1       ¥6,667.50

990477     备用采样瓶     1000mL备用采样瓶,瓶口38-430       个          1       ¥464.52

240481     备用旋盖         38-430 带PTFE表面橡胶塞垫的黑色酚醛树脂旋盖  盒          100  ¥3,408.09

II型地下抓斗式取样器

适用于深井式流体以及难以取到的地下样品采集,满足EPA对水以及废水的采样要求

990350     地下抓斗式取样器         183cm II型地下抓斗式取样器      个          1       ¥7,619.85

990400     地下抓斗式取样器         366cm II型地下抓斗式取样器      个          1       ¥9,402.33

990450     地下抓斗式取样器         549cm II型地下抓斗式取样器      个          1       ¥11,210.22

990477     备用采样瓶     1000mL备用采样瓶,瓶口38-430       个          1       ¥464.52

240481     备用旋盖         38-430 带PTFE表面橡胶塞垫的黑色酚醛树脂旋盖  盒          100  ¥3,408.09

III型地下抓斗式取样器

适用于有害腐蚀性样品以及废水的取样,抗化学腐蚀不锈钢以及聚丙烯结构

990470     地下抓斗式取样器         III型地下抓斗式取样器         个          1       ¥10,111.08

990471     地下抓斗式取样器         183cm扩展套件     个          1       ¥3,272.01

216641     安全涂层罐     安全涂层罐,无盖,瓶口70-400         盒          12     ¥1,172.22

239244     白色聚丙烯盖         70-400带聚四氟乙烯表面聚乙烯垫的白色聚丙烯盖         盒     48     ¥1,428.21

细口取样瓶

适用于I型和II型地下抓斗式取样器,硼硅玻璃制造

990477     细口取样瓶     1000mL带盖瓶       个          1       ¥464.52

广口取样瓶

适用于III型地下抓斗式取样器,硼硅玻璃制造

990476     广口取样瓶     1000mL带盖瓶       个          1       ¥1,890.00

称皿

铝制,适用于毫克称重,液体或固体称重

370790     称皿         11mm直径      盒     1000         ¥859.53

370792     称皿         20mm直径      盒     1000         ¥1,087.80

40mL EPA小瓶

根据EPA40 CFR136的水样小瓶,无色透明小瓶由Wheaton33低析出硼硅玻璃制造,棕色小瓶由Wheaton棕色玻璃制造

225310     小瓶         40mL 无色透明,顶端开口带PTFE表面硅橡胶盖垫的黑色酚醛树脂盖         盒     72     ¥2,103.57

225315     小瓶         40mL  棕色,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖  盒     72     ¥2,272.83

备用旋盖和盖垫

W240518 黑色酚醛树脂旋盖         24-400  黑色酚醛树脂材质, 无盖垫        盒          200  ¥798.63

W240598 平垫         24 mm 带PTFE表面硅树脂垫10/90    盒          100  ¥3,281.04

W224600 玻璃纤维聚丙烯旋盖     24-400,PTFE表面硅树脂盖垫     盒          200  ¥3,159.45

环境分析用小瓶

W224609 环境分析用小瓶   20 m 无色透明,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖     盒          72     ¥1,593.06

W224610 环境分析用小瓶   25mL 无色透明,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖    盒          72     ¥1,653.33

W224611 环境分析用小瓶   40mL 无色透明,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖    盒          72     ¥1,984.29

W224612 环境分析用小瓶   20mL 棕色,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖    盒          72     ¥1,623.09

W224614 环境分析用小瓶   40mL 棕色,顶端开口带PTFE表面硅橡胶盖垫的白色聚丙烯盖    盒          72     ¥2,014.53

TCLP萃取瓶

216711     萃取瓶     2.2 L单口瓶,瓶口尺寸100-400  个          1       ¥1,555.68

216712     萃取瓶     2.2 L两端开口瓶,瓶口尺寸100-400  个          1       ¥1,177.68

216731     萃取瓶     3.2 L 单口瓶,瓶口尺寸100-400          个          1       ¥1,834.35

TCLP萃取瓶盖

100-400mm聚丙烯酸旋盖,单独购买盖垫(240555)

240202     萃取瓶盖         白色重型聚丙烯旋盖,防重压以及化学腐蚀,100-400   盒          4       ¥669.69

240203     萃取瓶盖         中心带孔白色重压聚丙烯旋盖,100-400       盒          4       ¥756.00

240204     萃取瓶盖         白色轻型聚丙烯旋盖,100-400       盒          4       ¥122.22

240555     萃取瓶盖垫     Zitex盖垫,100-400,含透气孔  盒          4       ¥194.67

240557     萃取瓶盖垫     PTFE/硅树脂盖垫,100-400  盒          4       ¥507.36

塑料英霍夫式锥形管

用于可沉降固体体积测定,锥形外带有刻度至1000mL,英霍夫式锥形管由丙烯酸聚合物制造并且包含一个橡胶塞和聚丙烯盖

W990800 塑料英霍夫式锥形管     1000mL    盒          4       ¥1,507.80

990760     管架         三位管架         个          1       ¥531.09

990760-4 管架         四位管架         个          1       ¥731.85

开桶器

适用于有害材料,耐用的铝合金轻便构造,可进行四分之一打开操作

885295     开桶器     开桶器     个          1       ¥489.93

不锈钢铲

由18/8不锈钢制造

885540     不锈钢铲         不锈钢铲         盒          4       ¥1,427.79

无色透明油样品瓶

III型钠钙玻璃,带软木塞

W216994 无色透明油样品瓶         125mL      盒          144  ¥2,503.20

 

冻干安瓿瓶

用于小容积冻干样品,硼硅玻璃符合USPⅠ型以及ASTMⅠ型标准,A类要求,热封口或者塞封口(使用Wheaton W651450塞)

W651446 冻干安瓿瓶     2mL 盒     144  ¥3,709.02

W651450 冻干安瓿瓶     11 mm 灰色橡胶塞        盒     144  ¥2,219.49

Vacule带刻痕冻干安瓿瓶

用于小容积冻干样品,带刻痕易打开,硼硅玻璃符合USPⅠ型以及ASTMⅠ型标准,A类要求,热封口

651502     带刻痕冻干安瓿瓶         1mL Vacule, 带刻痕    盒     144  ¥1,141.35

W651506 带刻痕冻干安瓿瓶         2mL Vacule, 带刻痕    盒     567  ¥4,176.06

螺纹口诊断瓶

可用作血清瓶或者小瓶,适用于冻干法,抗化学腐蚀,使用符合USPI型标准的Wheaton400硼硅玻璃,可高压灭菌

219361     螺纹口诊断瓶         10mL 无色透明螺纹口诊断瓶      盒          480  ¥8,682.87

219362     螺纹口诊断瓶         20mL 无色透明螺纹口诊断瓶      盒          480  ¥8,860.95

219371     螺纹口诊断瓶         10mL 棕色螺纹口诊断瓶      盒          480  ¥8,899.17

219372     螺纹口诊断瓶         20mL 棕色螺纹口诊断瓶      盒          480  ¥9,181.83

I-Loc密封件

适用于螺纹口诊断瓶,铝膜密封方便的旋盖,可高压灭菌

240676-01        密封件     20-400,黑色 盒          100  ¥570.57

240676-02        密封件     20-400,白色 盒          100  ¥570.57

240676-03        密封件     20-400,红色 盒          100  ¥570.57

240676-04        密封件     20-400,蓝色 盒          100  ¥570.57

240676-05        密封件     20-400,黄色 盒          100  ¥570.57

螺纹口诊断瓶旋盖

5种颜色的聚丙烯旋盖,可高压灭菌

240706-01        螺纹口诊断瓶旋盖         20-400,黑色 盒          300  ¥453.81

240706-02        螺纹口诊断瓶旋盖         20-400,白色 盒          300  ¥529.62

240706-04        螺纹口诊断瓶旋盖         20-400,蓝色 盒          300  ¥704.13

240706-05        螺纹口诊断瓶旋盖         20-400,黄色 盒          300  ¥704.13

240716-01        螺纹口诊断瓶旋盖         20-400,黑色 盒          300  ¥638.82

240716-02        螺纹口诊断瓶旋盖         20-400,白色 盒          300  ¥714.84

240716-03        螺纹口诊断瓶旋盖         20-400,红色 盒          300  ¥788.55

240716-04        螺纹口诊断瓶旋盖         20-400,蓝色 盒          300  ¥788.55

240716-05        螺纹口诊断瓶旋盖         20-400,黄色 盒          300  ¥788.55

224100-203      塞子,薄法兰         20mm,灰色氯丁胶/55          盒          300  ¥1,379.28

W224100-185  塞子,薄法兰         20mm法兰,灰色氯丁胶/50         盒          1000         ¥2,455.32

带刻度Lab45培养基瓶

有助于防止pH变化的USPI型硼硅玻璃,广口设计带有刻度,特殊倾倒边缘有利于倒液,可高压灭菌

240736     培养基瓶附件         白色不带密封环聚丙烯盖     盒          12     ¥276.36

240746     培养基瓶附件         白色顶端可打开的聚丙烯盖         盒          12     ¥485.10

240756     培养基瓶附件         天然聚丙烯倾倒环         盒          12     ¥94.29

240760     培养基瓶附件         红色聚氟乙烯倾倒环     盒          10     ¥337.26

血清瓶

适用于长期或者短期的样品储存、冻干以及疫苗注射类药物的储存,可用于大部分的冻干应用,无色透明瓶身采用Wheaton400硼硅玻璃,棕色瓶身采用Wheaton500硼硅玻璃

W223712 血清瓶     2mL 无色透明血清瓶    盒          288  ¥1,738.17

223738     血清瓶     5mL 无色透明血清瓶    盒          288  ¥1,848.21

223739     血清瓶     10mL 无色透明血清瓶 盒          288  ¥2,586.99

223742     血清瓶     20mL 无色透明血清瓶 盒          288  ¥3,160.08

223743     血清瓶     30mL 无色透明血清瓶 盒          288  ¥3,891.51

223745     血清瓶     50mL 无色透明血清瓶 盒          288  ¥4,883.55

223746     血清瓶     60mL 无色透明血清瓶 盒          144  ¥2,725.17

223747     血清瓶     100mL 无色透明血清瓶        盒          144  ¥3,774.12

223748     血清瓶     125mL 无色透明血清瓶        盒          144  ¥5,282.55

223760     血清瓶     5mL 棕色血清瓶    盒          288  ¥3,325.14

223761     血清瓶     10mL 棕色血清瓶 盒          288  ¥3,685.50

223762     血清瓶     20mL 棕色血清瓶 盒          288  ¥4,175.43

223763     血清瓶     30mL 棕色血清瓶 盒          288  ¥5,108.46

223764     血清瓶     50mL 棕色血清瓶 盒          288  ¥6,514.20

223766     血清瓶     100mL 棕色血清瓶        盒          144  ¥4,857.72

Vacule小瓶

厚壁结构设计为冻干和冷冻干燥设计,螺纹旋盖代替了密封盖的使用

651954     小瓶         4mL 盒          200  ¥1,424.01

651905     小瓶         5mL 盒          200  ¥1,993.74

651907     小瓶         10mL        盒          200  ¥1,871.52

224100-080      橡胶塞     13 mm , 紧扣塞,红色橡胶      盒          1000         ¥1,536.36

W224100-093  橡胶塞     13 mm , 两叶冻干塞, 灰色氯丁基橡胶        盒          1000         ¥1,569.12

240209     黑色酚醛树脂旋盖         15-425  黑色酚醛树脂材质, 14B橡胶垫         盒          200  ¥655.83

W240509 黑色酚醛树脂旋盖         15-425  黑色酚醛树脂材质, 无盖垫        盒          200  ¥534.66

224100-172      橡胶塞     20 mm , 直通塞,红色橡胶      盒          1000         ¥1,892.52

W224100-193  橡胶塞     20 mm , 两叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥2,316.72

W224100-202  橡胶塞     20 mm , 三叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥2,074.80

239853     黑色酚醛树脂旋盖         22-350  黑色酚醛树脂材质, 无盖垫        盒          500  ¥1,288.35

血清管型瓶

瓶体由低膨胀系数硼硅玻璃制造,特殊的设计增加了冷冻干燥应用时的强度

223683     血清管型瓶     2mL 无色透明血清管型瓶    盒          144  ¥655.83

223684     血清管型瓶     3mL 无色透明血清管型瓶    盒          144  ¥673.05

223685     血清管型瓶     5mL 无色透明血清管型瓶    盒          144  ¥842.52

223686     血清管型瓶     10mL 无色透明血清管型瓶 盒          144  ¥990.15

223687     血清管型瓶     20mL 无色透明血清管型瓶 盒          120  ¥1,163.82

223693     血清管型瓶     2mL 棕色血清管型瓶    盒          144  ¥854.49

223695     血清管型瓶     5mL 棕色血清管型瓶    盒          144  ¥986.58

223696     血清管型瓶     10mL 棕色血清管型瓶 盒          144  ¥1,227.03

无垫铝盖

224175-01        无垫铝盖         8 mm , 顶部可开,  自然色  盒          1000         ¥997.29

224175-06        无垫铝盖         8 mm , 顶部可开,  红色        盒          1000         ¥1,223.88

224176-01        无垫铝盖         11 mm , 顶部可开,  自然色          盒          1000         ¥1,059.66

224176-05        无垫铝盖         11 mm , 顶部可开,  蓝色     盒          1000         ¥1,223.88

224176-06        无垫铝盖         11 mm , 顶部可开,  红色     盒          1000         ¥1,223.88

224176-07        无垫铝盖         11 mm , 顶部可开,  绿色     盒          1000         ¥1,223.88

224189     无垫铝盖         11 mm , 固体顶部,  自然色          盒          1000         ¥834.96

224177-01        无垫铝盖         13 mm , 顶部可开,  自然色          盒          1000         ¥1,122.87

224177-05        无垫铝盖         13 mm , 顶部可开,  蓝色     盒          1000         ¥1,296.33

224177-06        无垫铝盖         13 mm , 顶部可开,  红色     盒          1000         ¥1,296.33

224182-01        无垫铝盖         13 mm , 顶部中间撕开,  自然色         盒          1000         ¥858.48

224182-05        无垫铝盖         13 mm , 顶部中间撕开,  蓝色   盒          1000         ¥1,110.69

224182-06        无垫铝盖         13 mm , 顶部中间撕开,  红色   盒          1000         ¥1,110.69

224182-07        无垫铝盖         13 mm , 顶部中间撕开,  绿色   盒          1000         ¥1,121.61

224192-01        无垫铝盖         13 mm , 可完全撕开,  自然色     盒          1000         ¥763.35

224192-05        无垫铝盖         13 mm , 可完全撕开,  蓝色          盒          1000         ¥882.21

224192-06        无垫铝盖         13 mm , 可完全撕开,  红色          盒          1000         ¥882.21

224192-07        无垫铝盖         13 mm , 可完全撕开,  绿色          盒          1000         ¥882.21

224202     无垫铝盖         13 mm , 掀盖,  自然色          盒          1000         ¥1,603.14

W224207 无垫铝盖         13mm, 可撕下的掀盖         盒          1000         ¥3,130.47

224178-01        无垫铝盖         20 mm , 顶部可开,  自然色          盒          1000         ¥924.21

224178-05        无垫铝盖         20 mm , 顶部可开,  蓝色     盒          1000         ¥1,206.24

224178-06        无垫铝盖         20 mm , 顶部可开,  红色     盒          1000         ¥1,206.24

224178-07        无垫铝盖         20 mm , 顶部可开,  绿色     盒          1000         ¥1,206.24

224183-01        无垫铝盖         20 mm , 顶部中间撕开,  自然色         盒          1000         ¥924.21

224183-05        无垫铝盖         20 mm , 顶部中间撕开,  蓝色   盒          1000         ¥1,078.77

224183-06        无垫铝盖         20 mm , 顶部中间撕开,  红色   盒          1000         ¥1,078.77

224183-07        无垫铝盖         20 mm , 顶部中间撕开,  绿色   盒          1000         ¥1,078.77

224191     无垫铝盖         20 mm , 固体顶部,  自然色          盒          1000         ¥1,057.14

224193-01        无垫铝盖         20 mm , 可完全撕开,  自然色     盒          1000         ¥834.75

224193-05        无垫铝盖         20 mm , 可完全撕开,  蓝色          盒          1000         ¥945.00

224193-06        无垫铝盖         20 mm , 可完全撕开,  红色          盒          1000         ¥945.00

224193-07        无垫铝盖         20 mm , 可完全撕开,  绿色          盒          1000         ¥945.00

224203     无垫铝盖         20 mm , 掀盖,  自然色          盒          1000         ¥2,363.55

224208     无垫铝盖         20 mm , 掀盖, 红色        盒          1000         ¥2,731.26

224187-01        无垫铝盖         30 mm , 顶部中间撕开,  自然色          盒          1000         ¥1,293.81

224197-01        无垫铝盖         30 mm , 可完全撕开,  自然色     盒          1000         ¥1,304.94

直通塞

W224100-400  直通塞     13 mm 溴化丁基橡胶   盒          1000         ¥2,043.09

W224100-405  直通塞     20 mm 溴化丁基橡胶   盒          1000         ¥3,079.02

冻干塞

W224100-406  冻干塞     20 mm 两叶溴化丁基橡胶塞        盒          1000         ¥3,219.09

W224100-407  冻干塞     20 mm 三叶溴化丁基橡胶塞        盒          1000         ¥3,219.09

W224100-402  冻干塞     13 mm 缺口溴化丁基橡胶塞        盒          1000         ¥2,099.37

W224100-408  冻干塞     20 mm 缺口溴化丁基橡胶塞        盒          1000         ¥3,219.09

镀膜塞

塞子表面完全地镀上了氟聚合物

W224100-420  镀膜塞     13mm 镀膜溴化丁基橡胶塞         盒          1000         ¥7,724.64

W224100-421  镀膜塞     20mm 镀膜溴化丁基橡胶塞         盒          1000         ¥10,355.73

塞子

224100-192      橡胶塞     20 mm , 两叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥2,635.92

W224100-193  橡胶塞     20 mm , 两叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥2,316.72

W224100-202  橡胶塞     20 mm , 三叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥2,074.80

224100-203      橡胶塞     20 mm , 三叶冻干塞,灰色氯丁基橡胶 盒          300  ¥1,379.28

W224100-282  橡胶塞     28 mm , 两叶冻干塞,灰色氯丁基橡胶 盒          1000         ¥5,599.65

 

CryoELITE冻存瓶

优越的瓶盖密封性超过了DOT和IATA的标准,最大限度地保护了在运输和融化操作过程中的样品,可选的二维条形码输入提供了单一的鉴定标识

W985915 冻存瓶     1.2mL 内旋盖,自然色,带书写涂层,无菌     盒          500  ¥1,820.07

W985902 冻存瓶     2mL 内旋盖,自然色,带书写涂层    盒          1000         ¥4,137.84

W985903 冻存瓶     2mL 内旋盖,自然色,不带书写涂层        盒          1000         ¥3,381.00

W985922 冻存瓶     2mL 内旋盖,自然色,带书写涂层,无菌        盒          500  ¥2,161.32

W985916 冻存瓶     2mL 内旋盖,白色,带书写涂层,无菌    盒          500  ¥2,161.32

W985917 冻存瓶     2mL 内旋盖,红色,带书写涂层,无菌    盒          500  ¥2,161.32

W985918 冻存瓶     2mL 内旋盖,粉色,带书写涂层,无菌    盒          500  ¥2,161.32

W985919 冻存瓶     2mL 内旋盖,黄色,带书写涂层,无菌    盒          500  ¥2,161.32

W985920 冻存瓶     2mL 内旋盖,绿色,带书写涂层,无菌    盒          500  ¥2,161.32

W985921 冻存瓶     2mL 内旋盖,蓝色,带书写涂层,无菌    盒          500  ¥2,161.32

W985923 冻存瓶     3mL 内旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,535.96

W985924 冻存瓶     4mL 内旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,729.58

W985925 冻存瓶     5mL 内旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,859.78

W985862 冻存瓶     1.2mL 外旋盖,自然色,带书写涂层,无菌     盒          500  ¥1,831.20

W985852 冻存瓶     2mL 外旋盖,自然色,带书写涂层    盒          1000         ¥4,137.84

W985853 冻存瓶     2mL 外旋盖,自然色,不带书写涂层        盒          1000         ¥3,381.00

W985872 冻存瓶     2mL 外旋盖,自然色,带书写涂层,无菌        盒          500  ¥2,159.64

W985863 冻存瓶     2mL 外旋盖,白色,带书写涂层,无菌    盒          500  ¥2,159.64

W985864 冻存瓶     2mL 外旋盖,红色,带书写涂层,无菌    盒          500  ¥2,159.64

W985865 冻存瓶     2mL 外旋盖,粉色,带书写涂层,无菌    盒          500  ¥2,159.64

W985866 冻存瓶     2mL 外旋盖,黄色,带书写涂层,无菌    盒          500  ¥2,159.64

W985867 冻存瓶     2mL 外旋盖,绿色,带书写涂层,无菌    盒          500  ¥2,159.64

W985868 冻存瓶     2mL 外旋盖,蓝色,带书写涂层,无菌    盒          500  ¥2,159.64

W985869 冻存瓶     3mL 外旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,586.36

W985870 冻存瓶     4mL 外旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,781.45

W985871 冻存瓶     5mL 外旋盖, 自然色,带书写涂层,无菌      盒          500  ¥2,912.49

底端插入的二维条形码

购买CryoELITE冻存瓶时,可购买二维条形码插入底端直接作为样品的代码

W985881 底端插入的二维条形码         非无菌     盒          500  ¥2,261.62

CryoELITE圆底冻存瓶

精确的圆底设计使得瓶子最大可承受17000的相对离心力,旋盖可以轻松地用一只手打开,优越的瓶盖密封性超过了DOT和IATA的标准,最大限度地保护了在运输和融化操作过程中的样品

W985910 圆底冻存瓶     1.2mL 内旋盖, 自然色,带书写涂层, 无菌         盒          500  ¥1,724.52

W985911 圆底冻存瓶     2mL 内旋盖, 自然色 ,带书写涂层, 无菌 盒          500  ¥1,971.27

W985900 圆底冻存瓶     2mL 内旋盖, 自然色 , 带书写涂层      盒          1000         ¥3,816.33

W985901 圆底冻存瓶     2mL 内旋盖, 自然色 , 不带书写涂层 盒          1000         ¥3,115.77

W985912 圆底冻存瓶     3mL 内旋盖, 自然色 ,带书写涂层,无菌    盒          500  ¥2,535.96

W985913 圆底冻存瓶     4mL 内旋盖, 自然色 ,带书写涂层,无菌    盒          500  ¥2,729.58

W985914 圆底冻存瓶     5mL 内旋盖, 自然色 ,带书写涂层,无菌    盒          500  ¥2,859.78

W985860 圆底冻存瓶     1.2mL 外旋盖, 自然色 ,带书写涂层, 无菌       盒          500  ¥1,722.42

W985861 圆底冻存瓶     2mL 外旋盖, 自然色,带书写涂层, 无菌    盒          500  ¥1,984.50

W985850 圆底冻存瓶     2mL 外旋盖, 自然色 , 带书写涂层      盒          1000         ¥3,816.33

W985851 圆底冻存瓶     2mL 外旋盖, 自然色, 不带书写涂层    盒          1000         ¥3,115.77

KeepIT冷冻盒

为分批处理以及储存样品提供了很好的方法,六种不同颜色搭配CryoELITE冻存瓶,为批处理以及鉴定样品组提供了选择

W651700-W     冷冻盒     KeepIT-100可存放100个内旋盖冻存瓶(1.2-2mL),白色       盒          10     ¥1,002.75

W651700-R      冷冻盒     KeepIT-100可存放100个内旋盖冻存瓶(1.2-2mL),红色       盒          10     ¥1,002.75

W651700-P      冷冻盒     KeepIT-100可存放100个内旋盖冻存瓶(1.2-2mL),粉色       盒          10     ¥1,002.75

W651700-Y      冷冻盒     KeepIT-100可存放100个内旋盖冻存瓶(1.2-2mL),黄色       盒          10     ¥1,002.75

W651700-G      冷冻盒     KeepIT-100可存放100个内旋盖冻存瓶(1.2-2mL),绿色       盒          10     ¥1,002.75

W651701-W     冷冻盒     KeepIT-81可存放81个外旋盖冻存瓶(1.2-2mL),白色  盒          10     ¥1,287.30

W651701-R      冷冻盒     KeepIT-81可存放81个外旋盖冻存瓶(1.2-2mL),红色  盒          10     ¥1,287.30

W651701-P      冷冻盒     KeepIT-81可存放81个外旋盖冻存瓶(1.2-2mL),粉色  盒          10     ¥1,287.30

W651701-Y      冷冻盒     KeepIT-81可存放81个外旋盖冻存瓶(1.2-2mL),黄色  盒          10     ¥1,287.30

W651701-G      冷冻盒     KeepIT-81可存放81个外旋盖冻存瓶(1.2-2mL),绿色  盒          10     ¥1,287.30

CryoELITE瓶架

适用于可区分冻存瓶和圆底冻存瓶,Loctagon底适合于单手开盖,可放50个冻存瓶

985810     冷冻瓶架         50位瓶架        盒          5       ¥1,545.18

CryoFile和CryoFileXL储存盒

适用于可区分冻存瓶和圆底冻存瓶,Loctagon底适合于单手开盖,可放50个冻存瓶

W651600 储存盒     适合1.2和2mL小瓶,绿色 盒          15     ¥1,038.03

W651601 储存盒     适合1.2和2mL小瓶,黄色 盒          15     ¥1,038.03

W651602 储存盒     适合1.2和2mL小瓶,粉色 盒          15     ¥1,038.03

W651603 储存盒     适合1.2和2mL小瓶,白色 盒          15     ¥1,038.03

W651604 储存盒     适合1.2和2mL小瓶,蓝色 盒          15     ¥1,038.03

W651605 储存盒     适合1.2和2mL小瓶,红色 盒          15     ¥1,038.03

W651600-XL    储存盒     适合3、4和5mL小瓶,绿色       盒          15     ¥1,141.77

W651601-XL    储存盒     适合3、4和5mL小瓶,黄色       盒          15     ¥1,141.77

W651602-XL    储存盒     适合3、4和5mL小瓶,粉色       盒          15     ¥1,141.77

W651603-XL    储存盒     适合3、4和5mL小瓶,白色       盒          15     ¥1,141.77

W651604-XL    储存盒     适合3、4和5mL小瓶,蓝色       盒          15     ¥1,141.77

W651605-XL    储存盒     适合3、4和5mL小瓶,红色       盒          15     ¥1,141.77

Cryule冻存盒

储存1和2mL的冻存瓶

651490     冻存盒     适合1mL冻存瓶    盒          15     ¥1,313.55

651492     冻存盒     适合2mL冻存瓶    盒          15     ¥1,007.79

液体闪烁瓶

淀粉总量检测试剂盒 Total Starch (AA/AMG) Assay Kit 货号:K-TSTA-100A Megazyme中文站

淀粉总量检测试剂盒

英文名:Total Starch (AA/AMG) Assay Kit

货号:K-TSTA-100A

规格:100 assays per kit

分析物意义:主要的食品组分

Megazyme检测试剂盒优点:选择用GOPD试剂或己糖激酶或6-磷酸葡萄糖脱氢酶测定D-葡萄糖的快速检测试剂盒

The Total Starch (AA/AMG) test kit is used for the measurement and analysis of total starch in cereal flours and food products. This kit now contains an improved α-amylase that allows the amylase incubations to be performed at pH 5.0 (as well as pH 7.0).

Colourimetric method for the determination of Total Starch in
cereal products, feeds, foodstuffs and other materials

Principle:
(α-amylase, 100°C ± DMSO)
(1) Starch granules + H2O → maltodextrins

(amyloglucosidase)
(2) Maltodextrins + H2O → D-glucose

(glucose oxidase)
(3) D-Glucose + H2O + O2 → D-gluconate + H2O2

(peroxidase)
(4) 2H2O2 + p-hydroxybenzoic acid + 4-aminoantipyrine →
quinoneimine + 4H2O

Kit size: 100 assays
Method: Spectrophotometric at 510 nm
Total assay time: ~ 90 min
Detection limit: 1-100% of sample weight
Application examples:
Cereal flours, food products and other materials
Method recognition:
AOAC (Method 996.11), AACC (Method 76-13.01), ICC (Standard Method
No. 168), and RACI (Standard Method)

Advantages

  • Very competitive price (cost per test)
  • All reagents stable for > 12 months after preparation
  • Simple format
  • Mega-Calc™ software tool is available from our website for hassle-free raw data processing
  • Standard included

 Q1. Should the pH of the sample be adjusted even for samples in acidic media?

The pH of the assay solution after the sample is added should be the same as that of the assay buffer that is supplied with the kit.
Low sample volumes (e.g. 0.1 mL) are not likely to affect the pH of the assay solution and therefore may not require pH adjustment.
Samples above 0.1 mL are more likely to affect the pH of the assay solution and therefore the pH of these samples should be adjusted as described in the data booklet, prior to addition to the assay.

Q2. Why does the quadruplicate glucose control in your Total Starch Assay Kit have to be incubated?

We feel more comfortable with quadruplicate glucose controls.  If the control is incorrect, or questionable, then all the results are in doubt.

Q3. Why do duplicate samples have to be measured?

Duplicate samples do not have to be measured.  We just suggest this for laboratories starting up. 

Q4. Does the Regular Maize Starch need to be analysed with pre-treating by DMSO? How do you store this Enclosed Control?

The Regular Maize Starch does not require DMSO pre-treatment.  The value should be about 84% with a moisture content of about 12%, the final dry weight value is about 96-97%.  Store the sample at room temperature, dry.

Q5. There is an issue with the performance of the kit; the results are not as expected.

If you suspect that the Megazyme test kit is not performing as expected such that expected results are not obtained please do the following:

  1. Ensure that you have tested the standard sample that is supplied with the Megazyme test kit.
  2. Send the results of the kit standard, blank samples and the results obtained for your sample, in the relevant MegaCalc spreadsheet (if available) to Megazyme (cs@megazyme.com). Where available the relevant MegaCalc spreadsheet can be downloaded from where the product appears on the Megazyme website.
  3. State the kit lot number being used (this is found on the outside of the kit box).
  4. State which assay format was used (refer to the relevant page in the kit booklet if necessary).
  5. State exact details of any modifications to the standard procedure that is provided by Megazyme.
  6. State the sample type and describe the sample preparation steps if applicable.

Q6. Does your kit with DMSO solubilise starch that has been vitrified due to malting/kilning?

Yes.  We believe that the DMSO step will solubilise vitrified starch in malt.  Make sure that the malt is milled to pass a 0.5 mm screen.  You could vary the time of cooking with DMSO to check solubilisation (i.e. 5 minutes, 10 minutes, or even up to 1 hour).

Q7. Is it possible to differentiate between gelatinised and ungelatinised starch in finished products, such as dog food, using the Total Starch Kit?

We think that there is a better chance of success using the Megazyme Starch Damage Kit.

Q8. Is it possible to use the Total Starch Kit to measure starch levels in plasterboard and related products?

There should be no problem in measuring the starch in plasterboard.  I suggest that you grind about 100 g in a kitchen blender and then fine mill to pass 0.5 mm screen. Run a standard assay, but adjust volume to 10 mL after alpha-amylase treatment. Keep a close check on the pH.  Plasterboard may push the pH value up (pH up to about 8 should be fine).  You may be advised to run a DMSO format concurrently just to be sure.  When you treat with amyloglucosidase, I would advise that you take 0.2 and 0.4 mL aliquots of digest (to get the colour up), also, be careful about checking the pH.

Q9. Can the Total Starch Kit be used for samples containing 20% fat or higher?

A 20% fat content could cause a problem for the method.  We suggest that the sample be defatted before analysis for starch.

Q10. Do you have any kit or procedures for the determination of extractable starch in corn? This is of particular concern in the corn wet milling. I presume that extractable starch in corn is not the same as total starch?

Our Total Starch Assay Kit could measure starch left in a residue, or starch extracted. No method could measure potential extractable starch, as this will depend on numerous factors, including processing equipment, conditions etc.

Q11. Can I use another buffer instead of the MOPS with your Total Starch Assay Kit? If so, which would be suitable and easily prepared from commonly available laboratory reagents?

You can use phosphate buffer at the same concentration.

Q12. I wish to measure Total Starch in several products. These products contain 10-20% starch + maltodextrins at similar levels. Is it possible to remove the maltodextrins from the sample? Will ethanol work?

Most of the maltodextrins can be removed with 50% ethanol washing.  If the starch is not gelatinised, it can be washed with cold water.  This will remove all of the soluble maltodextrins, but the starch will spin down.  If the starch has been gelatinised, then the best material which can be used for washing is 50% ethanol.

Q13. Could your Total Starch Assay Kit (K-TSTA) be used with success to measure total starch in plant tissues (samples of roots and shoots of maple trees)?

Yes, the Total Starch Kit can be used to measure starch in roots and shoots etc. 

Q14. Is the accuracy of the Total Starch test affected by the presence of other inorganic chemicals and ground calcium carbonate in pulp?

We think that calcium carbonate etc. will not cause any problems.  However, this of course depends on the amount present and if it changes the pH of the incubation mixture.

Q15. Does the Megazyme Total Starch method work well on all the new chemically modified starches that are now appearing, e.g. highly crosslinked, dextrinised and highly propylene oxide substituted?

The method will work for some chemically modified starches (e.g. crosslinked) however, if the degree of chemical modification is high, there will be an underestimation as the modification will interfere with complete hydrolysis to glucose and subsequent measurement.

Q16. Is it necessary to pre-wash ground cereal samples prior to analysis for Total Starch?

You only need to wash samples which you feel may contain glucose and/or maltodextrins, e.g. breakfast cereals.  There is little glucose in ground cereals, so it is not necessary to pre-wash these materials.

Q17. What is the stability of the enzymes from the Total Starch Kit?

The enzymes from this kit are stable at room temperature for at least 6 months.  At 4˚C, they are stable for several years.

Q18. Can the Total Starch Kit determine the degree of gelatinisation? Sample : Corn Flour.

The Starch Damage Kit may be best for this.  If the starch is gelatinised and dried before analysis the correct results for gelatinisation will not be obtained.

Q19. Are there any limits to the sensitivity of the Total Starch Kit?

The Total Starch Kit can accurately measure starch levels as low as 1% w/w.

Q20. What is the sensitivity and how much is the absorbance of glucose standard (100 micrograms)?

The absorbance for 100 micrograms of glucose (in 3 mL of GOPOD Reagent) is about 0.97.

Q21. Is it possible to raise sensitivity by modifying dilution of GOPOD reagent?

Yes, you can reduce the volume of GOPOD to 1 mL and use micro cuvettes.  This will increase sensitivity by ~ 3-fold.

Q22. Does DMSO solubilise resistant starch, i.e. crystallised amylose and amylopectin?

DMSO does solubilise resistant starch (crystallise amylose and amylopectin).  The only starch material we have had problems in dissolving in DMSO is potato amylose.

Q23. When analysing samples containing sugars, an 80% v/v solution of ethanol is used to solubilise and remove the sugars. About how large are the smallest dextrins that are left in the starch (not solubilised) in this treatment?

We believe that for starch fragments, oligosaccharides of a DP up to 10 would be soluble in 80% alcohol.  The degree of solubility of other oligosaccharides would depend on the sugar type and linkage type.

Q24. What is the sensitivity of the Total Starch Method for measurement in liquids containing low levels of starch?

The Total Starch Kit can be used for liquids containing as little as 200 micrograms per mL with some adjustments of conditions, as below:
Mix 0.5 mL of sample with 0.5 mL of 100 mM sodium acetate buffer (pH 4.5). Incubate at 40˚C and add 0.1 mL of Amyloglucosidase and incubate for 30 minutes.  Add GOPOD reagent as usual.  You will need to run an AMG blank as this enzyme preparation contains a very small amount of glucose.

Q25. AMYLOGLUCOSIDASE. The activity is stated as being 3260 U/mL (Soluble Starch). How was this determined?

The AMG activity was determined with soluble starch as substrate (10 mg/mL) in 0.1 M sodium acetate buffer at pH 4.5 and 40˚C.  One Unit is the amount of enzyme required to hydrolyse one micromole of maltose per minute (i.e. to release 2 micromoles of glucose).  Glucose release is measured with Glucose Determination Reagent.

Q26. I wish to know if it is possible to perform the assay under acidic conditions? I also need to alter the pH of the MOPS/amylase mixture to pH 3 or 4. Is it known if the amylase supplied with the Total Starch Assay Kit has activity at such a low pH?

We can assure you that the Total Starch Kit will not work if incubations with the thermostable alpha-amylase are performed at pH 3 or 4.  This enzyme is inactivated at pH values below 5.0.  You may wish to look at a method using just amyloglucosidase which is quite active down to pH 4.0.  Check the old AOAC procedure for starch.

Q27. We are currently using your kits for Total Starch, Starch Damage and Sucrose/Glucose/Lactose Assay procedures. How accurate are the volumes contained? Can they be diluted entirely, to avoid wasting the contents while transferring?

When we dispense the enzymes we usually include an extra 5% in each vial, so yes, you can dilute the whole vial.  When you do this, please divide into aliquots and store them frozen.

Q28. Which analytical procedure would you recommend for determination of total starch residues in brewing wort and final beer. Megazyme’s procedure – AA/AMG’97, only refers to solid (and not solubilised) starch.

You can use the standard procedure. We would recommend that you treat 2 mL of beer or wort with 8 mL of ethanol, stir and centrifuge (3,000 rpm).  Wash the pellet with 10 mL of 80% ethanol.  Then dissolve/suspend the pellet in 2 mL of sodium acetate buffer (pH 4.5, 0.1 M) and cook at 100˚C for 10 min.  Then add 0.1 mL AMG from the Total Starch Kit and proceed according to the method.  You will have to determine the degree of dilution for yourself.  Treat 0.1 mL with GOPOD etc.

 

プロテイナーゼK溶液|分子生物学基础试剂|生化学试剂-基因工程|试剂|关东化学株式会社

基因工学実験最适合!配制溶液类型简单!冷藏保存长期稳定!

プロテイナーゼK,エンドペプチダーゼ的一种拥有广泛的切断活性,因此有效分解蛋白质。特别是,核酸分解酶的活性,所以迅速的核酸的精制最适合。

特长

DNase,RNase检测极限以下核酸的炼油最适合

乐途间差距小的契约组合南特酶

配制溶液稀释容易的类型

≧700 U / mL(37℃,hemoglobin)的活性酵素,保证

冷藏(2~8℃)也能够长期保存(保修期是未开封制造至18个月)

制品概要

由来 Tritirachium张专辑由来的基因OnDemand丝氨酸蛋白酶Pichia pastoris从精制
形状 无色液体
内容 酶量:约20毫克/ mL10 mM Tris – Hcl、pH 7.550%甘油醋酸钙(安定剂)
容量活性(37℃,hemoglobin) ≧700 U / mL(18±2毫克/ mL)
比活性(37℃,hemoglobin) ≧35 U /毫克(18±2毫克/ mL)
DNase活性 检测限以下
RNase活性 检测限以下
保存条件 2~8℃

プロイテイナーゼK的一般的性状

酶分类 Tritirachium张专辑由来的丝氨酸蛋白酶(28.9 kDa)【EC 3,4,21,64】
活化剂 SDS、尿素(1%左右的SDS添加的场合,酶活性使之增加)
使用条件 使用pH:4.0~12.5至适pH:7.5~10.5使用温度:25~65℃
抑制剂 Diidopropyl Fluorophosphate(DFP),Phenylmethylsulfonyl Fluoride(PMSF),Hg2 +
其他 金属螯合剂(例EDTA),硫醇试剂,胰蛋白酶·糜蛋白酶抑制剂等非活性化。

产品信息

产品名 包装 产品编号
プロテイナーゼK溶液 2毫升 34060 – 96
2 mL×6本 34060 – 97
100毫升 34060 – 23

* 100毫升价格查询品。本公司的销售代理店或本公司营业所价格咨询。最新的价格是Cica – Web请参照。

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63种农药混合标准溶液WQ-4


产品编号 产品名称 产品规格 产品等级 产品价格
164-26013 63 Pesticides Mixture Standard Solution WQ-4 (each 20μg/ml Acetonitrile Solution)
63种农药混合标准溶液WQ-4
1mlx5A for Pesticide Residue Analysis
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63种农药混合标准溶液WQ-4
1ml for Pesticide Residue Analysis

63种农药混合标准溶液WQ-4

63 Pesticides Mixture Standard Solution WQ-4 (each 20μg/ml Acetonitrile Solution)

 成分表(64种成分)


Oxamyl

草氨酰

Nitenpyram

烯啶虫胺

imidacloprid

吡虫啉

Pymetrozine

吡蚜酮

Monocrotophos

久效磷

Cinosulfuron

醚磺隆

Acetamiprid

啶虫脒

Thiacloprid

噻虫啉

Pyrazosulfuron-ethyl

吡嘧磺隆

Cyanazine

氰草津

Ethoxysulfuron

乙氧嘧磺隆

Fluazifop

吡氟禾草灵

(E)-Metominostrobin

(E)-苯氧菌胺

Linuron

利谷隆

(Z)-pyriminobac-methyl

(Z)-嘧草醚

Acibenzolar-S-methyl

苯并噻二唑

Ametryn

莠灭净

Boscalid

啶酰菌胺

(E)-Pyriminobac-methyl

(E)- 嘧草醚

Cumyluron

苄草隆

Benzobicyclon

双环磺草酮

Prometryn

扑草净

Diclomezine

哒菌酮

Chromafenozide

环虫酰肼

Simeconazole

硅氟唑

Tetraconazole

氟醚唑

Naproanilide

萘丙胺

Tebuconazole

戊唑醇

Pirimiphos-methyl

甲基嘧啶磷

Triflumizole

氟菌唑

Benzofenap

吡草酮

Quizalofop-ethyl

喹禾灵

Dinotefuran

呋虫胺

Thiamethoxam

噻虫嗪

Clothianidin

噻虫胺

Trinexapac-ethyl

抗倒酯

Metribuzin

嗪草酮

Bromacil

除草定

Bendiocarb

恶虫威

Furametpyr

呋吡菌胺

Cyproconazole

环唑醇

Indanofan

茚草酮

Diflubenzuron

二氟脲

Tetrachlorvinphos(CVMP)

杀虫畏

Cyprodinil

嘧菌环胺

Fentrazamide

四唑酰草胺

Etobenzanid

乙氧苯草胺

Oxadiargyl

丙炔恶草酮

Phoxim

辛硫磷

Pyrazolynate(Pyrazolate)

苄草唑

Difenoconazole

苯醚甲环唑

Oxaziclomefone

恶嗪草酮

Pentoxazone

戊基恶唑酮

Clomeprop

氯甲酰草胺

Silafluofen

氟硅菊酯

MCPA(MCP)

2-甲-4-苯氧基乙酸

Dichlorprop

2,4-滴丙酸

Propanil(DCPA)

敌稗

Inabenfide

抗倒胺

Tiadinil

噻酰菌胺

Thifluzamide

噻呋酰胺

Flusulfamide

磺菌胺

Tebufenozide

虫酰肼

Fluazinam

氟啶胺

 


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66 Pesticides Mixture Standard Solution WQ-1-2 (each 20μg/ml   Acetone Solution)

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异樱草糖 (木聚糖衍生) Isoprimeverose (xyloglucan derived) 货号:O-IPRM Megazyme中文站

异樱草糖 (木聚糖衍生)

英文名:Isoprimeverose (xyloglucan derived)

货号:O-IPRM

规格:50 mg

CAS: 534-98-5
Molecular Formula: C11H20O10
Molecular Weight: 312.3
Purity: > 95%

High purity Isoprimeverose (Xyloglucan Derived) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

暂无问题解答

暂无视频

CP – 300 / CPP – 2000系列用管道扳手1 / 2 |柴田科技有限公司-环境检测设备、科学仪器的制造销售

产品详细

科学仪器

CP – 300 / CPP – 2000系列用管道扳手1 / 2

CP - 300 / CPP - 2000系列用管道扳手1 / 2 |柴田科技有限公司-环境检测设备、科学仪器的制造销售

  • CP - 300 / CPP - 2000系列用管道扳手1 / 2 |柴田科技有限公司-环境检测设备、科学仪器的制造销售

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产品照片 CP - 300 / CPP - 2000系列用管道扳手1 / 2 |柴田科技有限公司-环境检测设备、科学仪器的制造销售
商品代码 054310 – 2353
型式
价格(不含税) 3,1000日元

上海金畔生物科技有限公司

498%2F%3Fc%3D34& ” 498%2F%3Fc%3D34&

甜叶菊提取物


产品编号 产品名称 产品规格 产品等级 产品价格
048-31211 Dulcoside A Standard
杜克甙A标准品
25 mg for Food Analysis
044-31213 Dulcoside A Standard
杜克甙A标准品
100 mg for Food Analysis
098-05681 Isosteviol Standard
异甜菊苷标准品
1 g for Stevioside Determination
189-02581 Rebaudioside A Standard
莱苞迪甙A标准品
100 mg for Food Analysis
185-02583 Rebaudioside A Standard
莱苞迪甙A标准品
1 g for Food Analysis
188-02551 Rebaudioside B Standard
莱苞迪甙B标准品
25 mg for Food Analysis
184-02553 Rebaudioside B Standard
莱苞迪甙B标准品
100 mg for Food Analysis
181-02541 Rebaudioside C
莱苞迪苷C
25 mg for Food Analysis
180-02511 Rebaudioside D
莱苞迪甙D
5 mg for Food Analysis
186-02611 Rebaudioside F
莱苞迪甙F
5 mg for Food Analysis
187-02521 Rubusoside Standard
甜茶苷标准品
25 mg for Food Analysis
183-02523 Rubusoside Standard
甜茶苷标准品
100 mg for Food Analysis
192-15701 Steviol Standard
甜菊糖标准品
25 mg for Food Analysis
198-15703 Steviol Standard
甜菊糖标准品
100 mg for Food Analysis
199-15691 Steviolbioside Standard
甜菊双糖甙标准品
25 mg for Food Analysis
195-15693 Steviolbioside Standard
甜菊双糖甙标准品
100 mg for Food Analysis
199-16291 Stevioside Standard
甜叶菊甙元标准品
100 mg for Food Analysis

甜叶菊提取物甜叶菊提取物

 


  甜叶菊原产于南美洲的菊科植物。此甜菊叶子中含有甜味成分,如甜菊糖、甜菊糖苷、甜菊双糖甙、杜克甙A、莱苞迪甙A(B、C、D、E、F)等。甜菊提取物被收录于第八版食品添加物法定文件,作为低卡路里天然甜品调味剂被广泛使用。同时,第68次JECFA(WHO/FAO食品添加物委员会)中,正式决定甜叶菊提取物的规格。

产品规格说明

实验项目

异甜菊苷标准品

098-05681

莱苞迪甙A标准品 189-02581

莱苞迪甙 B标准品 188-02551

甜茶苷标准品

187-02521

外观

(JIS K8001 5.1)

白色结晶状粉末

白色结晶状粉末

白色结晶状粉末

白色结晶状粉末

溶解性

通过(1,4-二恶烷中)

通过(水-甲醇混合液中)

通过(甲醇中)

通过(甲醇中)

熔点

229~232°C

(JIS K0064 3.2)

比旋光度(20°C

-77.5~-80.5°C

(乙醇中)

实验结果报告

 

实验结果报告

 

干燥后减少量(105°C

 JIS K0067)

5.0%以下

6.0%以下

5.0%以下

5.0%以下

薄层色谱测试

通过

通过

通过

通过

纯度

98.0+%(HPLC)

98.0+%(容量分析)

99.0+%(HPLC)

98.0+%(HPLC)

 

98.0+%(HPLC)

 


新产品


莱苞迪甙C

外观:白色,结晶粉

实验(HPLC):94%(第一批)

化学结构式:

甜叶菊提取物甜叶菊提取物

莱苞迪甙F

外观:白色,结晶粉

实验(HPLC):78.2%(第一批)

化学结构式:

甜叶菊提取物甜叶菊提取物

甜叶菊甙元标准品

外观:白色粉末

实验(HPLC):>99.0%

化学结构式: 

甜叶菊提取物甜叶菊提取物



产品名称


产品编号

产品名称

中文名称

包装

是否为JECFA列表中

048-31211

Dulcoside A Standard, 98.0+% (HPLC)

杜克甙A标准品

25 mg

044-31213

Dulcoside   A Standard, 98.0+% (HPLC)

杜克甙A标准品

100 mg

098-05681

Isosteviol Standard, 98.0+% (HPLC)(dry basis)

异甜菊苷标准品

1 g

189-02581

Rebaudioside A Standard, 99.0+% (HPLC)

莱苞迪甙A标准品

100 mg

185-02583

Rebaudioside A Standard, 99.0+% (HPLC)

莱苞迪甙A标准品

1 g

188-02551

Rebaudioside B Standard, 98.0+% (HPLC)

莱苞迪甙B标准品

25 mg

184-02553

Rebaudioside B Standard, 98.0+% (HPLC)

莱苞迪甙B标准品

100 mg

181-02541

Rebaudioside C, 90.0+% (HPLC)

莱苞迪甙C

25 mg

180-02511

Rebaudioside D

莱苞迪甙D

5 mg

186-02611

Rebaudioside F

莱苞迪甙F

5 mg

187-02521

Rubusoside Standard, 98.0+% (HPLC)

甜茶苷标准品

25 mg

183-02523

Rubusoside Standard, 98.0+% (HPLC)

甜茶苷标准品

100 mg

192-15701

Steviol Standard, 99.0+% (HPLC)

甜菊糖标准品

25 mg

198-15703

Steviol Standard, 99.0+% (HPLC)

甜菊糖标准品

100 mg

199-15691

Steviolbioside Standard, 98.0+% (HPLC)

甜菊双糖甙标准品

25 mg

195-15693

Steviolbioside Standard, 98.0+% (HPLC)

甜菊双糖甙标准品

100 mg

199-16291

Stevioside Standard, 99.0+% (HPLC)

甜叶菊甙元标准品

100 mg