PRODUCT SPECIFICATION | | | | |
| | | | | |
No. | PARAMETER | METHOD | Specified Range | Typical values | UNIT |
1 | Character/Apperance | USP 40 | Clear, Colorless | Clear, Colorless | - |
2 | Glycerine Content | USP 39-NF 34 | 99.7Â min | 99.9 | % |
3 | Water Content | USP 39-NF 34 | 0.5 Max | 0.09 | % |
4 | Specific Gravity @ 25° C | USP | 1.249 min | 1.2544 @ 28° C | g/ml |
5 | Refractive Index | USP |  | 1.472 @ 27.2° C | - |
6 | Color, AL | USPÂ | 10 Max | <5 | Â |
7 | Residue on Ignition | USP 40 | 0.01 Max | 0.007 | % |
8 | Fatty acid and Ester (ml of NaOH 0.5 N) | USP 36 | < 1 | < 1 | ml |
9 | Halogenated compound | Combustion follw by | < 30 | <30 | ppm |
 |  | Ion Chromatogra analysis |  |  |  |
10 | Chloride | USP 35 | < 10 | < 5 | ppm |
11 | Sulte | USP 35 | < 20 | < 20 | ppm |
12 | Identification | Â | Â | Â | Â |
 | -         A (IR) | USP 36 |  | Passed | - |
 | -         B (Limit of Diethylene Glycol & Ethylene Glycol) | USP Monogra/td> | 0.1 Max | <0.01 | % |
 |                - Diethylene Glycol |  |  |  |  |
 |       - Ethylene Glycol |  |  |  |  |
 |            -    C (RT of Glycerine peak) |  |  | Meet test requirement | - |
13 | Arsenic | USP 36 |  | < 0.01 | ppm |
14 | Lead | USP 36 | < 1 | < 0.1 | ppm |
15 | Mercury | USP 36 | Â | < 0.01 | ppm |
16 | Cadmium | USP 36 | Â | < 0.1 | ppm |