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South Africa
連絡先担当者 Mr. Titad
45 Caymans Kelly, Randburg, Johannesburg, Other
Aluminum sulphate
Molecular formula: Al2(SO4)3.*8H2O
CAS: ********8
Appearance: White crystal powder
Properties:
White crystalline or crystalloid powder, *6.5 °C losing some gesso, **0 °C lost all gesso, forming white powder. About **0 °C decomposition generated three alumina. Soluble in water, insoluble in alcohol. Become acidic aqueous solution.
Use:
Analytics reagents. Also used as mordant water-proofing agent, grease decoloring agents and used in leather, paper, pharmaceutical industry.
Details:
|
Test item |
Specification |
|
|
Reagent grade |
Pharmaceutical grade |
|
|
Appearance |
Conform |
Conform |
|
Assay [Al2(SO4)3·*8H2O]/% |
≥*9.0 |
≥*9.0 |
|
Clarify degrees test |
Conform |
Conform |
|
Water insoluble/% |
≤0.*2 |
≤0.*5 |
|
Chloride (Cl)/% |
≤0.**2 |
≤0.*1 |
|
Ammonium salt (NH4)/% |
≤0.**5 |
≤0.*2 |
|
Sodium (Na) /% |
≤0.**5 |
≤0.**5 |
|
Ferric (Fe)/% |
≤0.**3 |
≤0.*1 |
|
Heavy metal (Pb)/% |
≤0.**1 |
≤0.**2 |
|
Alkali metal and alkaline metal /% |
≤0.*5 |
≤0.5 |
