Test Items |
Specifieation |
Results |
CHARACTERISTICS |
COLORLESS OR WHITE CRYSTAL |
COLORLESS OR WHITE CRYSTAL |
IDENTIFICATION TEST |
PASS THE TEST |
PASS THE TEST |
ASSAY |
99.5-101.0% |
99.91% |
MOISTURE |
7.5-9.0% |
8.61% |
SULPHATED ASH |
≤0.1% |
0.02 |
SULPHATE |
≤150ppm |
<30ppm |
OXALATE |
≤350ppm |
<20ppm |
CALCIUM |
≤200ppm |
<10ppm |
HEAVY METALS |
≤10ppm |
<1ppm |
IRON |
≤50ppm |
<1ppm |
CHLORIDE |
≤50ppm |
<5ppm |
READILY CARBURETED SUBSTANCE |
STANDARD COLOUR |
LESS THAN STANDARD COLOUR |
BARIUM |
PASS THE TEST |
PASS THE TEST |
BACTERIAL ENDOTOXIN |
≤0.5 |
<0.5 |
ALUMINIUM |
≤0.2ppm |
<0.2ppm |
ARSENIC |
|
<0.1ppm |
MERCURY |
|
<0.01ppm |
LEAD |
|
<0.3ppm |
ORGANIC VOLATILE IMPURITY |
|
PASS THE TEST |
TRIDODECYLAMINE |
|
<0.1ppm |
U.V. RADIATION ABSORPTION VALUE |
|
PASS THE TEST |