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价格:面议
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产品数量:50000吨 个
包装说明:25公斤/袋内塑外编
关 键 词:磷酸三钠
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发布时间:2012-06-01
磷酸三钠Tri-Sodium Phosphate (TSP) 化学式: Na3PO4. nH2O (n=0,12) 分子量: 380.14 执行标准: HG/T2517-1993 性状: 外观为白色或无色粒状结晶,易风化,易溶于水,不溶于有机溶剂,水溶液呈碱反应,1%水溶液PH值为12.1,相对密度1.62,熔点73.4℃。 用途: 软水处理、日用化工、电镀磷化、印染固色、搪瓷助熔及制革脱脂等。 包装贮存: 内塑外编袋、纸袋,每袋净重25Kg、50Kg、1000Kg,贮于通风干燥处。 技术指标 序号 指标名称 无水物 Na3PO4 十二水物 Na3PO4.12H2O 工业级 食品级 工业级 食品级 1 外观 白色粉末 白色粒状晶体 2 主含量%≥ 98.0 98.0 98.0 98.0 3 五氧化二磷(以P2O5计)%≥ 39.5 39.5 18.3 18.3 4 甲基橙碱度(以Na2O计) 36-40 36-40 15.5-19 15.5-19 5 ****盐%≤ 0.25 0.5 0.5 6 重金属(以Pb计)%≤ 0.001 0.001 7 砷(以As计)%≤ 0.0003 0.0003 8 氟化物(以F计)%≤ 0.005 0.005 9 水不溶物%≤ 0.10 0.10 0.10 0.10 Tri-Sodium Phosphate(TSP) Chemical formula: Na3HPO4. nH2O (n=0,12) Molecular weight: 380.14 Standard executed: HG/T2517-93 CAS Number: 7758-79-4 Properties: White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃. Application: Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on. Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place. Guaranteed Technical Specifications : No. Specifications Na3PO4 Na3PO4 .12H2O Industrial grade Food grade Industrial grade Food grade 1 Apearance white powder white or colorless crystal powder 2 Main contents% ≥ 98.0 98.0 98.0 98.0 3 Phosphorus pentoxide(P2O5)%≥ 39.5 39.5 18.3 18.3 4 Sodium oxide, as Na2O 36-40 36-40 15.5-19 15.5-19 5 Sulfate, as SO4 % ≤ 0.25 0.5 0.5 6 Heavy metal, as Pb% ≤ 0.001 0.001 0.001 7 Arsenic, as As% ≤ 0.0003 0.0003 0.0003 8 Fluoride as F% ≤ 0.005 0.005 0.005 9 Water insoluble% ≤ 0.10 0.10 0.10 0.10