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A polarimeter is a scientific instrument used to measure optical rotation: the angle of rotation caused by passing linearly polarized light through an optically active substance.
History, Applications & Science
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rotation light analyzer quartz optically angle active polarimeters concentration optical sample polarization plane rotated polarizer solution half used enantiomers two
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Polarimeter | is a | scientific instrument used to measure optical rotation | 0.90 | text |
| the relative concentration of enantiomers present in the sample | instance of | and magnitude of the rotation reveals information about the sample's chiral properties | 0.80 | text |
| a light bulb | instance of | Light sources | 0.80 | text |
| Tungsten Halogen | instance of | Light sources | 0.80 | text |
| or the sun emit electromagnetic waves at the frequency of visible light | instance of | Light sources | 0.80 | text |
| tartaric acid | instance of | ApplicationsBecause many optically active chemicals | 0.80 | text |
| are stereoisomers | instance of | ApplicationsBecause many optically active chemicals | 0.80 | text |
| a polarimeter can be used to identify which isomer is present in a sample | instance of | ApplicationsBecause many optically active chemicals | 0.80 | text |
| concentration | instance of | Polarimeters can identify unknown samples based on this if other variables | 0.80 | text |
| length of sample cell length are controlled or at least known | instance of | Polarimeters can identify unknown samples based on this if other variables | 0.80 | text |
| Polarimeter | has application | Because | 0.60 | section |
| Polarimeter | has application | It | 0.60 | section |
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