磷酸规格:85-98.0%产地:美国/德国/英国包装:50kg/桶价格:4600元/吨磷酸PhosphatestandardconcentrateCas号7664-38-2分子式H3O4P；H3PO4分子量98.00别名磷酸;正磷酸,一缩原磷酸,缩原磷酸,乙烯利水剂性状无色、无臭、粘稠液体，溶于水及醇。纯品磷酸为无色斜方晶体，富潮解性。溶于水和乙醇。其酸性较硫酸、盐酸和硝酸等强酸为弱，但较醋酸、硼酸等弱酸为强。能刺激皮肤引起发炎及破坏肌体组织。磷酸溶于水并放热，经高温加热便失水成焦磷酸和偏磷酸，长时间受冷即生成结晶，有腐蚀性，易吸湿。熔点：42.℃沸点：213℃密度:1.834（18℃）备注:以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。质量标准GB/T1282-1996项目Item优级纯分析纯(GR)(AR)含量(H3PO4)Assay,%≥85.085.0色度，黑曾单位Color(APHA),%≤1025灼烧残渣Ignitionresidue,%≤0.10.2挥发酸Volatileacid，%≤0.020.02氯化物(Cl)Chloride,%≤0.00020.0003硫酸盐(SO4)Sulfate,%≤0.0010.003硝酸盐(NO3)Nitrate,%≤0.00030.0005砷(As)Arsenic,%≤0.0010.0001铁(Fe)Iron,%≤0.0010.002钠(Na)Sodium,%≤0.05--钾(K)Potassium,%≤0.005--锰(Mn)Manganese,%≤0.00020.0002镍(Ni)Nickel,%≤0.0005--铜(Cu)Copper,%≤0.0005--锌(Zn)Zinc,%≤0.001--镉(Cd)Cadmium,%≤0.0005--铅(Pb)Lead,%≤0.0005--重金属(以Pb计)Heavymetals,%≤--0.001还原物质(以H3PO4计)Reducingsubstances,%≤0.0050.01项目电子级（semiconductorgrade)含量（P2O5）%63.0-68.0熔点℃35.0-42.3外观不规则粉末硝酸盐(NO3)ppm≤5硫酸盐(SO4)ppm≤5氯化物(Cl)ppm≤5铝（Al)ppb≤20锑(Sb)ppb≤300砷(As)ppb≤10钡(Ba)ppb≤20镉(Cd)ppb≤10钙(Ca)ppb≤50铬(Cr)ppb≤10钴(Co)ppb≤20铜(Cu)ppb≤20金(Au)ppb≤5铁(Fe)ppb≤50铅(Pb)ppb≤10锂(Li)ppb≤10镁(Mg)ppb≤20锰(Mn)ppb≤10镍(Ni)ppb≤10钾(K)ppb≤20银(Ag)ppb≤10钠(Na)ppb≤50锶(Sr)ppb≤10锌(Zn)ppb≤10ACS级项目名称ItemACSGrade含量(H3PO4)Assay≥85.0%色度，黑曾单位Color(APHA)≤10水不溶物Insolublematter≤0.001%氯化物(Cl)Chloride(Cl)≤3ppm硝酸盐(NO3)Nitrate≤5ppm硫酸盐(SO4)Sulfate≤0.003%挥发酸(以乙酸计)Volatileacids(asCH3COOH)≤0.001%锑(Sb)Antimony(Sb)≤0.002%钙(Ca)Calcium(Ca)≤0.002%镁(Mg)Magnesium(Mg)≤0.002%钾(K)Potassium(K)≤0.005%钠(Na)Sodium(Na)≤0.025%砷(As)Arsenic(As)≤1ppm重金属(以Pb计)Heavymetals(asPb)≤0.001%铁(Fe)Iron(Fe)≤0.003%锰(Mn)Manganese(Mn)≤0.5ppm还原性物质ReducingsubstancesPassestest品级Grade色谱纯(gradeforHPLC)外观descriptioncolorlessliquid含量assay85-90%(T)熔点mp~40°Cλneat紫外吸光度UVabsorptionλ:210nm≤0.07λ:220nm≤0.05λ:230nm≤0.04λ:250nm≤0.04λ:500nm≤0.02RPgradienttestcomplies品级Grade药用级(Ph.Eur.,BP,NF,FCC)assay85.0-88.0%alkaliphosphates,inaccordanceresidualsolvents,inaccordancesubstanceprecip.byAmmonia,inaccordanceheavymetals(asPb)≤0.0005%volatileacids(asCH3COOH)≤0.001%aniontraceschloride(Cl-):≤5ppmfluoride(F-):≤5ppmnitrate(NO3-):≤5ppmnitrate(NO3-):inaccordancephosphite,hypophosphite(asH3PO3):≤30ppmsulfate(SO42-):≤50ppmsulfate(SO42-):inaccordancecationtracesAs:≤2ppmCd:≤3ppmCu:≤10ppmFe:≤10ppmHg:≤1ppmPb:≤3ppmZn:≤10ppmsuitabilitypassestestforappearanceofsolution≥85wt.%inH2O,≥99.999%tracemetalsbasis:外观AppearanceColorlessLiquidX-射线衍射X-RayDiffractionConformstoStructure纯度Purity≥99.999%BasedonTraceMetalsImpurities纯度PuritybyTitrationbyNAOH≥85.0%痕量金属杂质totalmetallicimpurities≤10ppmbyICPAtomicemissioncrystalline,≥99%外观AppearanceWhitePowder,CrystalsorCrystallinePowder纯度Purity(TitrationbyNaOH)98.5-101.5%ICP:ConfirmsPhosphorusCompoConfirmed含量assay≥99.0%(T)锰酸钾还原物KMnO4-reducingmatter(asO)≤0.002%氯chloride(Cl-):≤5ppm硝酸根nitrate(NO3-):≤5ppm磷酸，亚磷酸phosphite,hypophosphite(asH3PO3):≤500ppm硫酸根sulfate(SO42-):≤30ppmAs:≤1ppmCa:≤10ppmCd:≤1ppmCo:≤1ppmCr:≤1ppmCu:≤1ppmFe:≤10ppmK:≤5ppmMg:≤1ppmMn:≤1ppmNa:≤50ppmNi:≤1ppmPb:≤1ppmZn:≤1ppm贮存密封保存。用途测定钢铁中铬、镍、钒成分、金属防锈、橡胶凝固剂，测定血清中非蛋白氮、总胆醇和全血葡萄糖等。结晶磷酸主要用于微电子、高能电池、激光玻璃等制造工艺，用作高纯催化剂、医学材料。联合国编号1805Risk：R34-Safety:S26-S45-Hazard:C-)