Polarimeters measure the optical activity of a substance. This is done by passing polarized light through a substance and observing the angle of light emitted. Optically active substances will rotate the polarized light while non-optically active substances will have an angle of 0°. This technique was developed to identify and study enantiomers which share many chemical properties typically used to distinguish one molecule from another, but that can have significant effects in chemistry experiments, pharmaceuticals, and food quality. While the original polarimeters required manual adjustments to obtain a reading, today's digital polarimeters perform readings automatically and give instantaneous results.
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JASCO
- Optical Rotation, Optical Specific Rotation, Concentration, Sugar Scale Z, Brix Purity, Optical Purity
- ±90⪚ (Angular Range)
- ±0.002° (up to 1°)
±0.2% (larger than 1°) - 253, 280, 296, 313, 302, 325, 334, 365, 405, 436, 546, 578, 589, 633, 880 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.01° Arc Optical Rotation or 0.03°Z (ISS) Sugar Degrees
- 589 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.01° Arc Optical Rotation or 0.03°Z (ISS) Sugar Degrees
- 589 or 546 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.002° Arc up to 1°, 0.2% above 1°, and 0.01°Z
- 589 or 546 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.002° up to 1°, 0.2% up to 5° and 0.01° above 5°
- 365 nm, 405 nm, 436 nm, 546 nm, 589 nm, and 633 nm (or 578nm and 880nm)
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.002° up to 1°, 0.2% up to 5° and 0.01° above 5°
- 365 nm, 405 nm, 436 nm, 546 nm, 589 nm, 633 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.002° up to 1°, 0.2% up to 5° and 0.01° above 5°
- 365 nm, 405 nm, 436 nm, 546 nm, 589 nm, 633 nm
Rudolph Research Analytical
- Optical Rotation, Specific Rotation, Specfic Rotation Plus Concentration, User Defined Scale, °Z Sugar Degrees
- +/-89° (Arc Optical Rotation), +/-999.99° (Arc Specific Rotation) and 0 to 99.9% (Concentration)
- 0.0003° Arc Optical Rotation (Between +/-1°Arc) and 0.002° up to 1°, 0.2% up to 5°, 0.01° above 5°(Outside of +/- 1°Arc)
- 365 nm, 405 nm, 436 nm, 546 nm, 589 nm, 633 nm
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