Original
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Molecular weight：278.05
CAS NO:7782-63-0
【Appearance】Sky blue or green monoclinic crystal or crystalline powder. Relative density is 1.8987. Melting point is 64℃. Odorless. It is soluble in water and glycerol, insoluble in alcohol.
【Usage】It can be used as analytical reagent, purifier, gasscavenger, mordant, phytocide, etc. It can be used in ink, print, pharmaceutical industry, feed, etc.
【Standard】Highest impurity content is counted by %
|
Index name |
Analytically pure-AR |
Chemical pure-CP |
High purity |
|
Content |
≥99.0 |
≥98.0 |
98.5-104 |
|
Water insoluble |
≤0.005 |
≤0.02 |
—— |
|
PH value |
—— |
—— |
3.0-4.0 |
|
Nitrogen content（N） |
≤0.001 |
—— |
—— |
|
Chloride(Cl) |
≤0.001 |
≤0.005 |
—— |
|
Phosphate（PO4） |
≤0.0005 |
≤0.002 |
—— |
|
Arsenic（As） |
≤0.0002 |
≤0.0002 |
≤0.0002 |
|
Manganese（Mn） |
≤0.05 |
—— |
—— |
|
Ferrum（Fe） |
≤0.02 |
≤0.10 |
—— |
|
Copper（Cu） |
≤0.002 |
≤0.01 |
—— |
|
Zinc（Zn） |
≤0.005 |
≤0.02 |
—— |
|
Lead（Pb） |
≤0.002 |
≤0.005 |
≤0.002 |
|
Ammonia water sediment（ counted by sulfate ） |
≤0.05 |
≤0.2 |
—— |
|
Magnesium（Mg） |
—— |
—— |
≤0.002 |
|
Titanium（Ti） |
—— |
—— |
≤0.002 |
|
Aluminum（Al） |
—— |
—— |
≤0.02 |
Packing：Plastic woven bag, kraft bag or fiber can. Net weight is 25kg..
