|
Glycerin 99.5% USP GRADE |
Glycerin 99.7% USP GRADE PHARMACEUTICAL |
| Identification by IR |
: Passes test as glycerine |
: Passes test as glycerine |
| Specific Gravity (25/25?C) |
: min 1.2604 |
: min 1.2613 |
| Moisture Content (%) |
: max 0.2 |
: max 0.1 |
| Glycerol Content (%) |
: min 99.5 |
: min 99.7 |
| Fatty Acid & Ester (ml of 0.5N NaOH) |
: max 1.0 |
: max 0.5 |
| Fatty Acid & Ester (% as Na2O) |
: max 0.03 |
: max 0.015 |
| Colour (APHA) |
: max 10 |
: max 10 |
| Colour |
: max FeCl3 0.4ml |
: max FeCl3 0.4ml |
| Residue on Ignition (%) |
: max 0.01 |
: max 0.01 |
Limit of DEG max 0.1% |
|
|
| - Individual Impurity (%) |
: max 0.1 |
: max 0.1 |
| - Total Impurity (%) |
: max 1.0 |
: max 1.0 |
| Chlorides as Chlorines (%) |
: max 0.001 |
: max 0.001 |
| Chlorinated compound (%) |
: max 0.003 |
: max 0.003 |
| Sulphate (%) |
: max 0.002 |
: max 0.002 |
| Arsenic (ppm) |
: max 1.5 |
: max 1.5 |
| Heavy Metals as Pb (ppm) |
: max 5 |
: max 5 |
Organic Volatile Impurities |
|
|
| - Chloroform (ppm) |
: max 60 |
: max 60 |
| - 1.4-dioxane (ppm) |
: max 380 |
: max 380 |
| - Methylene Chloride (ppm) |
: max 600 |
: max 600 |
| - Trichloroethylene (ppm) |
: max 80 |
: max 80 |