Product

Parameter

Specification

Description

Test

Refined  Glycerine USP/BP

Appearance of  solution

Clear,  Colourless

Identification

Pass

Glycerol  content

99.5% (min)

Specific  gravity

1.2606 (min )

Colour APHA

10 APHA (max)

Fatty Acid  & Ester (as Na2O)

0.025 % (max)

Chlorides

10 ppm (max)

Residue on  Ignition

0.01 % (max)

Sulphates

0.002 % (max)

Heavy metals

5 ppm (max)

Arsenic

Negligible

Chlorinated  Compounds

0.003 % (max)

Water

0.5 % (max)

Diethylene  glycol

0.025 % (max)

Ethylene  Glycol

0.025 % (max)

Individual  Impurity

0.1 % (max)

Total  Impurities

1 % (max)

Aldehydes  & Reducing substance

5 ppm (max)

Acidity or  Alkalinity ml 0.1 M NaOH

0.2 (max)

Refractive  Index (n20D)

1.47 -1.475

Sugars

Negative