In determining what glass or quartz capillary is right for you, please refer to the “Linear Absorption Coefficient µ cm-1” table. This table indicates the amount of radiation that is absorbed by the capillary during x-ray data collection.

For 0.1 mm to 2.5 mm capillaries the open end capillary tube base size is 3.0 +/- 0.2 mm OD x 0.2 +/- 0.15 mm Wall thickness. For 3.0 and 3.5 mm capillaries the open end capillary base size is about 4.4 mm OD x 0.25 mm Wall thickness. For 4.0 and 5.0 mm capillaries the open end capillary based size is about 6.0 x 0.25 mm.

The Diameter is measured  about 30 to 40 mm from the closed end (measuring instrument: LaserMicrometer LS 7500) The tolerances are as follows. 

Diameter    Tolerance              Minimum Diameter    Maximum Diameter

0.1 mm       +/-0.05 mm          0.05 mm                     0.15 mm
0.2 mm       +/-0.05 mm          0.15 mm                     0.25 mm 
0.3 mm       +/-0.05 mm          0.25 mm                     0.35 mm  
0.4 mm       +/-0.05 mm          0.35 mm                     0.45 mm 
0.5 mm       +/-0.05 mm          0.45 mm                     0.55 mm 
0.6 mm       +/-0.05 mm          0.55 mm                     0.65 mm 
0.7 mm       +/-0.05 mm          0.65 mm                     0.75 mm 
0.8 mm       +/-0.05 mm          0.75 mm                     0.85 mm 
0.9 mm       +/-0.05 mm          0.85 mm                     0.95 mm 
1.0 mm       -0.05 +0.25 mm    0.95 mm                     1.25 mm 
1.5 mm       +/-0.25 mm          1.25 mm                     1.75 mm 
2.0 mm       +/-0.25 mm          1.75 mm                     2.25 mm
2.5 mm       +/-0.05 mm          2.25 mm                     2.55 mm 
3.0 mm       +/-0.25 mm          2.75 mm                     3.25 mm 
3.5 mm       +/-0.25 mm          3.25 mm                     3.75 mm 
4.0 mm       +/-0.25 mm          3.75 mm                     4.25 mm
5.0 mm       +/-0.25 mm          4.75 mm                     5.25 mm

Quartz Specifications 
Glass type Fused silica / quartz glass 
Density 2.2 g/cm³ 
Transformation temperature Tg= 1075 – 1210 degrees Celsius 
Strain point approximately 1075 degrees Celsius 
Annealing point approximately 1180 degrees Celsius 
Softening point approximately 1730 degrees Celsius 
Working point 1700 – 2100 degrees Celsius 
Refractive index 1.46 589.3nm 
Mohs hardness 5.5 – 6.5 
Hydrolytic resistance, class 1 (DIN 12 111) 
Acid resistance, class 1 (DIN 12 116) 
Alkalai resistance, class 1 (DIN 52 322) 
Chemical composition SiO₂ 99.99% 
Trace elements 
Al 16.00 ppm 
Ca 0.80 ppm 
Fe 0.80 ppm 
K 0.90 ppm 
Li 0.70 ppm 
Na 0.90 ppm 
Ti 1.50 ppm 
Mg 0.10 ppm 
Cu <0.05 ppm 
Cr <0.05 ppm

Capillaries have only been tested at atmospheric pressure (760 mmHg (torr), 29.92 inHg, 14.696 psi). Use at other pressures has not been tested.

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

Quartz Capillary

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