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质量指标 SPECIFICATION FCC****0 外观 Appearance 白色无臭吸湿性结晶或颗粒white crystal or granule, odorless, hygroscopic 含量(以灼烧残渣计) Content（as the ignition residue） ≥*7.0﹪ 砷（GT）；配*0﹪试样液 Arsenic(GT);*0﹪ molten test sample ≤3mg/kg 氟化物(GT**5)；试样2g Fluoride（GT**5）; sample:2g ≤*0mg/kg 重金属（GT**6） Heavy metals(GT**6) ≤0.***5﹪ 水不溶物（GT**3） Water insoluble(GT**3) ≤0.2﹪ 铅（GT**8，原子吸收） Lead (GT**8, atomic absorption) ≤2mg/kg 灼烧失重（**0℃, *0min） Weight loss on ignition(**0℃, *0min) ≤5.0﹪ K3PO4 •H2O 8﹪**0﹪ 1. Chemical name: POTASSIUM PHOSPHATE TRIBASIC or TRIPOTASSIUM PHOSPHATE 2. Molecular Formula : K3PO4(**3H2O) 3. Molecular Weight: **2.*7 4. Character: White odourless crystal or granule with deliquescence. The relative density is 2.**4. It is easily soluble in water and insoluble in ethanol. The PH value of 1% aqueous solution is about *1.5. 5. Usage: In food industry, it is used as buffering agent , chelate agent , yeast food, emulsifying salt and antioxidant. 6. Packing: It is packed with polyethylene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is *5kg. 7. Storage and transportation ：It should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Unload with care as to avoid damaging the bags. Furthermore, it must be stored separately from poisonous substances.