Customization: | Available |
---|---|
CAS No.: | 7772-98-7/10102-17-7 |
Formula: | Na2s2o3 |
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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 |