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Product Deail
Aluminum Sulfate Octadecahydrate
【Description】White crystal or crystalline powder, 86.5℃ lost part of water of crystal, 250℃ lost all water of crystal, white powder. About 600℃ decomposition to form trialumina. Soluble in water, insoluble in alcohol, aqueous solution is acidic.
|
Test items |
AR |
CP |
Other |
|
Assay[Al2(SO4)3•18H2O] /% |
≥ 99.0 |
≥ 99.0 |
Custom |
|
pH(50g/L,25℃) |
≥ 2.5 |
≥ 2.5 |
|
|
Clarify degrees test /# |
≤ 4 |
≤ 6 |
|
|
Water insoluble /% |
≤ 0.02 |
≤ 0.05 |
|
|
Chloride(Cl) /% |
≤ 0.002 |
≤ 0.05 |
|
|
Ammonium(NH4) /% |
≤ 0.005 |
≤ 0.02 |
|
|
Sodium(Na) /% |
≤ 0.02 |
≤ 0.1 |
|
|
Magnesium(Mg) /% |
≤ 0.002 |
≤ 0.004 |
|
|
Potassium(K) /% |
≤ 0.005 |
≤ 0.01 |
|
|
Calcium(Ca) /% |
≤ 0.01 |
≤ 0.02 |
|
|
Iron(Fe) /% |
≤ 0.003 |
≤ 0.01 |
|
|
Heavy metals (as Pb) /% |
≤ 0.001 |
≤ 0.002 |
【Use】As an analytical reagent; Water treatment agent; Aluminate raw materials; Mordants; Waterproofing agent; Oil decolorizing agent and used in leather, paper making, pharmaceutical industry.
