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Item #: SH 02
Our Price: $499.00
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Description 

High precision Schmidt and Haensch polarimeter tubes with filler cup available in 50 mm, 100mm, 200mm, 95.04 and 190.09mm length

The filler cup in the middle of the tube allows easy filling and emptying of the tube. To remove bubbles the tube is gently rocked so that bubbles can escape through the filler opening. The end caps can be removed to facilitate cleaning.

Length (mm) Volume cc Part No.
50 3 02611
100 6 02607
200 12 02608
95.04 5.5 02612
190.09 11 02613

 

This comprehensive range of polarimeter tubes from Schmidt and Haensch are precision engineered from high quality laboratory grade glass or stainless steel. They have a 30 mm diameter support flange and meet the standards of ICUMSA Class A and the corresponding specifications of the OIML and the Australian Standard K157. The range includes many standard types and models for small samples, continuous measurement, and temperature controlled samples. We can also supply special tubes to meet specific requirements.

Choosing a Polarimeter Tube Generally speaking longer tubes are better than shorter tubes, because the effects of artifacts such as manufacturing tolerances, contamination from residues and sample heterogeneousness are proportionately lower in a long tube. The most common tube lengths are 100 or 200 mm.. The 400 mm tubes are for visual sugar polarimeters. When testing colored samples it is sometimes necessary to use shorter tubes to reduce light absorption. The amount of absorption varies exponentially with length while the angle of rotation is directly proportional to length. The 190.09 mm and 95.04 mm tubes are for per cent observation for diabetes urine-sugar analysis. They are designed for testing in a circle polarimeter at a wavelength of 589 nm. The unknown glucose concentration in the test solution corresponds directly to the angle of rotation with the 190.09 tube and double the angle with the 95.04 mm tube.

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