Polarimetry

POLARIMETRY

The ADP400 and ADP600 series models are some of the most popular automatic polarimeters in the world, thanks to their flexibility that makes them suitable for use in many application areas.

Improvements on the optical side have enabled the already excellent previous series to be improved, increasing reproducibility and analytical sensitivity.

B+S, with 80 years of experience in the sector, has produced a high quality instrument using the most advanced technology while maintaining a very low cost relative to the specifications.

The ADP400 series models are fully automatic polarimeters capable of measuring the angle of rotation of optically active samples in a simple, automatic, fast and reproducible manner with a resolution of 0.001°.


  • The ADP600 series are fully automatic single- or dual-wavelength polarimeters capable of measuring the angle of rotation of optically active samples simply, automatically, quickly and reproducibly with a resolution of 0.0001°. Peltier thermostatting option.

Operation and interface are very simple, data can be analysed and printed at the touch of a button, other parameters can be configured either directly at the instrument level or via special management, control and processing software.

The main configurable parameters include:

  • reading scale
  • zero adjustment
  • automatic temperature correction
  • automatic correction according to the material of construction of the measuring tube

Results can be displayed on the instrument's display, or printed out directly via Personal Computer and related software.

Polarimetry accessories

The polarimeteric tubes can reach a maximum length of 220mm with or without temperature control of both the polarimeter tube as well as the sample sector.

A temperature probe inside the samples compartment to control the temperature of the housing, while a second probe directly measures the temperature of the sample.

The thermostat water pipes can be used to obtain a more precise temperature control.

In certain applications, the ADP220 can be used with a full flow tube of the funnel, thus allowing the new sample to remove the one just measured and thus eliminating the need to regularly clean the tube between one sample and the other.

The optical rotation measurements require that the sample is placed in a tube from the optical path defined according to the application of analytical interest.

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