Original
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Molecular weight：100.09
CAS NO: 471-34-1
【Appearance】White powder or colorless crystal. Relative density is 2.930. It is insoluble in water and soluble in acid.
【Usage】用It can be used as analytical reagent, such as standard reagent, etc.
【Standard】The highest impurity content is counted by %
|
Specification Index name |
Analytically pure-AR |
Chemical pure-CP |
|
Content |
≥99.0 |
≥98.0 |
|
Clarity test |
Qualified |
Qualified |
|
Hydrochloric acid insoluble |
≤0.01 |
≤0.03 |
|
Alkalinity |
≤0.25 |
≤0.25 |
|
Chloride（Cl) |
≤0.002 |
≤0.01 |
|
Sulfate（SO4） |
≤0.01 |
≤0.05 |
|
Sodium（Na) |
≤0.1 |
≤0.3 |
|
Potassium（K） |
≤0.005 |
≤0.05 |
|
Magnesium（Mg） |
≤0.05 |
≤0.20 |
|
Strontium（Sr） |
≤0.05 |
≤0.10 |
|
Barium（Ba） |
≤0.02 |
≤0.04 |
|
Ferrum（Fe） |
≤0.001 |
≤0.005 |
|
Heavy metal（ counted by Pb） |
≤0.001 |
≤0.005 |
【Packing】Woven bag lining with plastic bag, kraft bag or fiber can. Net weight is 25kg.
