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Introduce：
| Chemical name: | Aluminium Potassium Sulfate | | Molecular formula: | AlK(SO4)2·12H2O | | Molecular weight: | 474.39 | | CAS NO: | 7784-24-9 | | Character: | It as large, transparent crystals or crystalline fragments, or as a white crystalline powder. Its solutions are acid to litmus. It can be transparent after weathered in air. Relative density is 1.757,melting point is 92.5℃,the PH value is 4.2 in 1% water aqueous solution. Losing all water and be burntalum which is white powder when the temperature higher than 200℃,It is insoluble in alcohol, but is freely soluble in glycerin. | | Usage: | Buffer,neutralizing agent,firming agent. | | Packaging: | It is packed with plastic bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg. | | Storage and Transport: | It should be stored in a dry and ventilating warehouse, kept away form water and moisture during transport, unloaded with care so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances. | | Specification | GB1895-2004 | | Content (AlK(SO4)2·12H2O) on dry basis≥ % | 99.2 | | Heavy Metals(As Pb) w/% ≤ | 0.002 | Fluoride(F),w/% ≤ | 0.003 | | Lead(Pb),w/% ≤ | 0.001 | | Insoluble in Water,w/% ≤ | 0.2 | | Moisture,w/% ≤ | 1.0 | | Arsenic(As), w/% ≤ | 0.0002 | | Ammonium Salt | qualified |
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