|
Item |
Specification |
|
Appearance |
Colourless or white crystal |
|
Identification and solubility |
Pass the test |
|
Clarity and color of solution |
20% water solution clarity |
|
Assay % |
99.5-101.0 |
|
Humidity % |
≤0.5 |
|
Sulphated Ash |
≤0.1 |
|
Sulphate ppm |
≤150 |
|
Oxalates ppm |
≤100 |
|
Calcium ppm |
≤200 |
|
Heavy metal ppm |
≤5 |
|
Iron ppm |
≤50 |
|
Chloride ppm |
≤50 |
|
Readily carbureted substance |
Standard colour |
|
Barium |
Pass the test |
|
Bacterial endotoxin IU/mg |
≤0.5 |
|
Aluminium ppm |
≤0.2 |
|
Arsenic ppm |
≤1 |
|
Mercury ppm |
≤1 |
|
Lead ppm |
≤1 |
|
Organic volatile impurity |
Pass the test |
|
Tridodecylamine ppm |
≤0.1 |
|
U.V.Readiation absorption value |
Pass the test |
