Information
Specification category:
Product No. | Product Name | Specification |
1.04106.010 | Aluminum sulfate octadecahydrate | AR500g |
1.04106.020 | Aluminum sulfate octadecahydrate | CP500g |
1.04106.030 | Aluminum sulfate octadecahydrate | AR25kg |
Characteristic:
Appearance and propertie: white crystal, has a sweet taste.
Relative density: 2.71
Melting Point(℃): 770 (decomposition)
Concentration: Pure
Solubility: soluble in water, insoluble in ethanol.
Heat of combustion (kJ / mol): meaningless
Critical temperature (℃): meaningless
Critical pressure (MPa): meaningless
Technical indicators:
Specification | AR | CP |
assay[Al2 (SO4) 3.18 H2O] | ≥ 99.0% | ≥ 99.0% |
pH value (50g / L, 25 ℃) | ≥ 2.5 | ≥ 2.5 |
Clarity test | 4 | 6 |
Water insoluble matter | ≤ 0.02% | ≤ 0.05% |
Chloride (Cl) content | ≤ 0.002% | ≤ 0.01% |
Ammonium (NH4) content | ≤ 0.005% | ≤ 0.02% |
Iron (Fe) content | ≤ 0.003% | ≤ 0.01% |
Heavy metals (as Pb) content | ≤ 0.001% | ≤ 0.002% |
Alkali metals and alkaline earth metals (as sulfate) content | ≤ 0.25% | ≤ 0.5% |