SPECIFICATION OF GLYCERINE CP
 
Sr.
Tests
CP
USP min 99.5%
1 Assay Glycerol % min 98.0 99.5 (anhydrous basis)
2 Specific Gravity 1.2552 at 30°C min 1.249 at 25°C min
3 Ash, %max 0.01 0.01
4 APHA Clour, max

20.0

5 Arsenic, ppm max 2.0
6 Copper, ppm Passes
7 Heavy Metals as Lead, ppm max 5.0
8 Iron, ppm max 0.5
9 Lead, ppm max (as Pb) 1.0
10 Chlorides, ppm max 10.0 10.0
11 Sulphates, ppm max 10.0 20.0
12 Alkalinity / Acidity (as Na2O) Nil
13 Total Alkali
14 FA & Ester % as Na2O, max 0.03 0.031
15 Acraldehyde and Glucose Passes
16 Aid & Reducing Sub ppm, ppm, max Passes
17 Colour Lovibond 51/4" cell (Y+R) 1.0 max
18 Chromatographic Punity Passes
19 Organic Volatile Impurities Passes
20 Water % max 0.50
21 Chlorinated Compound, %max 0.003
22 Identification TPT
23 Colour Feric Chloride TPT
24 Refractive Index at 20 C min
25 Glycols & related substance
26 Sugars
 
 
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