Applications:
It is an important complexing agent and metal masking agent.
It can be used in textile industry dyeing, water quality treatment, color photosensitivity, medicine, daily chemical industry, papermaking and other industries, as an additive, activator, water purifier, metal ion shielding agent and activator in the styrene butadiene rubber industry.
In the dry-process acrylic industry, it can offset metal interference and improve the color and brightness of dyed fabrics.
It can also be used in liquid detergents to improve washing quality and enhance washing effects.
Test Item |
Standard |
Test Result |
Content (as 452.2)% |
99% Min. |
99.4% |
Chloride(Cl)% |
0.01% Max. |
0.0007 |
Sulfate(SO4)% |
0.05% Max. |
0.0007 |
Metal chelate(Pb)% |
0.001% Max. |
0.0006 |
Iron(Fe)% |
0.001% Max. |
0.0007 |
Chelate: mgCaCO3/g |
215 Min. |
223 |
pH Value |
10.5 - 11.5 |
11.1 |
Appearance |
White Crystalline Powder |
White Crystalline Powder |