## Wikipedia - Spezifischer Drehwinkel (de) optical rotatory power

https://doi.org/10.1351/goldbook.O04313
@A00348@ divided by the optical path length through the medium and by either the mass concentration of the substance giving the specific optical @R05415@ $$\left[\alpha \right]_{\lambda }^{\theta }$$ or by @A00295@, giving the molar optical @R05415@, $$\alpha _{\text{m}}$$.
Source:
Green Book, 2nd ed., p. 33 [Terms] [Book]