TEST ITEM | STANDARD SPECIFICATIONS |
PURITY | 99.0%MIN |
Chloride (Cl)% | 0.01%MAX |
Sulfate(SO4) Content% | 0.05%MAX . |
Iron (Fe ) | 0.001%MAX |
Heavy metal (Pb) | 0.001%MAX |
PH (50g/L,25℃) | 2.9±0.1 |
APPEARANCE | WHITE POWDER |
Properties: white crystal powder melting point 240℃(decomposition) insoluble in cold water ,alcohol and general organic solvent, slightly soluble in hot water, but soluble in sodium hydroxide, sodium carbonate and ammonia solution.
Packing: 25KG/bag , or according to the customers’demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down