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China
Personne àcontacter Wang
nankai, Tianjin, Tianjin
molecular formula: KHSO4
CAS: ********7
Appearance:
White crystal
Properties:
White crystalline. The relative density 2.*2, melting point °C **4. Under the high temperature dehydrate into coke potassium sulfate. Insoluble in water, soluble in alcohol, solution is not strong acid. Corrosive, can cause burns. On the respiratory system has excitant.
Use:
Analytics reagents, if be acidic flux, decompose and crystallization alumina, ferric oxide, etc. Is also used for preservative, used for sylvite preparation.
Details:
|
Test item |
Specification |
|
|
Reagent grade |
Pharmaceutical grade |
|
|
Appearance |
Conform |
Conform |
|
Assay /% |
≥*9.****1.0 |
≥*9.****1.0 |
|
Clarify degrees test |
Conform |
Conform |
|
Water insoluble/% |
≤0.**2 |
≤0.**5 |
|
Chloride (Cl)/% |
≤0.***5 |
≤0.**2 |
|
Nitrogen compounds (N)/% |
≤0.**2 |
≤0.**5 |
|
Phosphate (PO4)/% |
≤0.**1 |
≤0.**2 |
|
Silicate (SiO3) /% |
≤0.**1 |
≤0.**5 |
|
Sodium (Na) /% |
≤0.*2 |
≤0.*5 |
|
Magnesium (Mg) /% |
≤0.***5 |
≤0.**2 |
|
Aluminum (Al) /% |
≤0.**1 |
≤0.**5 |
|
Calcium (Ca) /% |
≤0.**2 |
≤0.**5 |
|
Ferric (Fe) /% |
≤0.***5 |
≤0.**2 |
|
Arsenic (As) /% |
≤0.***3 |
≤0.***5 |
|
Heavy metal (Pb) /% |
≤0.***5 |
≤0.**2 |
