گلیسیرین بهداشتی

P A R A M E T E R S

SPECIFICATION

METHODS

GLYCEROL CONTENT, %WT

99.2 MIN

USP 38

MOISTURE  CONTENT, % WT

0.6 MAX

KARL FISCHER COULOMETER

SPECIFIC GRAVITY, 25/25 °C

1.2600 MIN

SPECIFY GRAVITY METERS

COLOUR, APHA

10 MAX

AOCS Ea 9-65

RESIDUE ON IGNITION, % wt

0.01 MAX

USP 38

CHLORIDE,  ppm Cl

10 MAX

USP 38

SULPHATE,  ppm SO4

20 MAX

USP 38

HEAVY METALS, ppm Pb

 5 ppm MAX

USP 38

CHLORINATED COMPOUNDS, ppm Cl

30 MAX

USP 38

FATTY ACID & ESTERS,ml of 0.5 N NaOH/50 g

                 1.0 MAX

USP 38

DIETHYLEN GLYCOL AND RELATEDCOMPOUNDS, % wt

                 0.1 MAX

USP 38

ORGANIC VOLATILE IMPURITIES, % wt

-

USP 38

INFRARED ABSORPTION

DETECTABLE

SPECTROFOTOMETER IR