PVP K30 specification:

PRODUCT NAME: PVP K30 PHARM

ITEM                                SPECIFICATIONS                   RESULT

K VALUE:                                27--32                                28.02

N-VINYLPYROLIDONE               ≤0.2%                              0.006%

MOISTURE                                ≤5.0%                               2.57%

RESIDUE ON IGNITION              ≤0.1%                              0.043%

PH VALUE(5% IN WATER):           37                                   3.95

NITROGEN:                              11.5---12.8%                      12.06

HEAVY METALS                      ≤10PPM                           <10PPM

ACETALDEHYDE                      ≤0.05%                            <0.05%

HYDRAZINE                             ≤1PPM                                PASS

PVP K30/K60/K90