China Uncaking Colorless Crystals, Sodium Thiosulfate Industrial Grade Na2s2o3 5H2O, Find details about China Sodium Thiosulfate Anhydrous, Sodium Hyposulfite from Uncaking Colorless Crystals, Sodium Thiosulfate Industrial Grade Na2s2o3 5H2O
TEST ITEMS | SPECIFICATION | RESULT OF TEST REPORT |
ASSAY: | 99.00% MIN | 99.54% |
WATER INSOLUBLES: | 0.01% MAX | 0.007% |
SULPHIDES: | 0.001% MAX | 0.0008% |
Fe: | 0.001% MAX | 0.0005% |
S | 0.001% MAX | 0.0007% |
ITEMS | STANDARD | TEST RESULT |
Appearance | White powder crystal | Pass |
Purity (%) | 97.0min | 98.03% |
Insoluble substance in water(%) | 0.01%max | PASS |
Sulphide(%) | 0.001%max | PASS |
Fe(%) | 0.005%max | 0.0007% |
PH | 6.5~9.5 | 8.1 |
Particle size(mesh) | 20-80 | PASS |