Sodium sulphate anhydrous, inorganic compounds, high-purity, fine-grained anhydrates are called Yuanming powder. Yuanming powder, white, odorless, bitter crystalline or powder, hygroscopic. The shape is colorless, transparent, large crystal or small crystal of granularity. Mainly used in water treatment, glass, enamel, pulp, refrigerant mixture, detergent, desiccant, dye thinner, analytical chemicals, pharmaceuticals, etc.
TEST ITEMS | TEST STANDARD |
NA2SO4 | ≥99.0% |
WATER INSOLUBLE | ≤0.05% |
CA+MG(AS MG) | ≤0.15% |
CHLORIDE ( AS CL- ) | ≤0.35% |
FE | ≤0.002% |
MOISTURE | ≤0.20% |
WHITENESS | 82 |