磷酸三钠Tri-SodiumPhosphate(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%≥98.098.098.098.03五氧化二磷(以P2O5计)%≥39.539.518.318.34甲基橙碱度（以Na2O计）36-4036-4015.5-1915.5-195硫酸盐%≤0.250.50.56重金属（以Pb计）%≤0.0010.0017砷（以As计）%≤0.00030.00038氟化物（以F计）%≤0.0050.0059水不溶物%≤0.100.100.100.10Tri-SodiumPhosphate(TSP)Chemicalformula:Na3HPO4.nH2O(n=0,12)Molecularweight:380.14Standardexecuted:HG/T2517-93CASNumber:7758-79-4Properties:Whiteorcolorlesscrystals,efflorescentinair,easilysolubleinwaterbutnotinorganicsolution.Itswatersolutionisalkaline.PHvalueof1%solutionis12.1,relativedensityat1.62g/cm3,meltingpointis73.4℃.Application:Usedasawatersofteningagent,cleaningagentinelectroplating,colorfixerinfabricdyeingandfluxinenamelwaremanufacturingandsoon.Packingandstorage:In25kg,50kg,1000kgnetbags,storeatacool,dryandwellventilatedplace.GuaranteedTechnicalSpecifications:No.SpecificationsNa3PO4Na3PO4.12H2OIndustrialgradeFoodgradeIndustrialgradeFoodgrade1Apearancewhitepowderwhiteorcolorlesscrystalpowder2Maincontents%≥98.098.098.098.03Phosphoruspentoxide(P2O5)%≥39.539.518.318.34Sodiumoxide,asNa2O36-4036-4015.5-1915.5-195Sulfate,asSO4%≤0.250.50.56Heavymetal,asPb%≤0.0010.0010.0017Arsenic,asAs%≤0.00030.00030.00038FluorideasF%≤0.0050.0050.0059Waterinsoluble%≤0.100.100.100.10)