This standard specifies the operational requirements for determination of relative density, boiling range, freezing point, optical rotation, melting point, refractive index and viscosities of pharmaceuticals. This standard applies to the determination of physical constants of pharmaceuticals.
YY/T 0188.2-1995 history
1995YY/T 0188.2-1995 Operating methods for the tests and assays of drugs.Part 2:Determinations of the physical constants of drugs