NILE CHEMICALS
SELENIUM POWDER BLACK
SPECIFICATION |
|
Se A.W. 78.96 | |
Minimum assay | 99.5% |
Melting point | 220 - 222OC |
Maximum Limits of Impurities : | |
Nitric acid insoluble matter | 0.01% |
Loss on drying | 0.05% |
Non - volatile matter | 0.05% |
Nitrogen compounds ( N ) | 0.02% |
Copper ( Cu ) | 0.01% |
Iron ( Fe ) | 0.006% |
Sulphur ( S ) | 0.0015% |
Tellurium ( Te ) | 0.005% |
PRODUCT LIST
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