Tech Grade Usage:It’sbroadly used in textile printing and dyeing and metal surface treatment, agent of chelate, as detergent, as cement mixing agent. In electroplating industry.
Food Grade Usage:As food additives.
|
Tech |
Food |
Appearance |
Meet the requirement |
- |
Identification |
Meet the requirement |
Meet the requirement |
Loss on drying |
0.5% Max |
0.5% Max |
Reducing matter |
0.7% Max |
0.7% Max |
Chloride |
0.07% Max |
0.07% Max |
Sulfate |
0.07% Max |
0.07% Max |
Assay |
99% Min |
99-102% |
Lead |
0.0002% Max |
0.0002% Min |
Heavy metal |
0.001% Max |
0.001% Max |
Arsenic |
0.0002% Max |
0.0002% Max |
PH |
- |
6-8 |