21963 硫酸氢钾 AR 500g 65
21964 硫酸氢钾 CP 500g 46
21965 硫酸氢钾 GR 500g 85
21966 硫酸氢钾 SP 25g 66
21967 硫酸氢钾 99.99% 25g 66
21968 硫酸氢钾 PT 100g 75
白色片状或粒状结晶。易潮解。溶于水，溶液呈强酸性。温度再高即失水变为焦硫酸钾。防潮、密封保存。在乙醇中分解。高温时失去水分并易成为焦硫酸盐。 熔点 214 °C(lit.) 密度 2.512 g/mL at 25 °C(lit.) 储存条件 5-15°C 溶解度 H2O: 1 M at 20 °C, clear, colorless
99.995% metals basis: 外观Appearance White or Opaque Crystals or Crystalline Powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.995% Based on Trace Metals Impurities ICP: Confirms K and S Components Confirmed 总痕量金属杂质total metallic impurities ≤50ppm by ICP Atomic emission 总氮total nitrogen (N) ≤10 ppm 氯chloride (Cl-): ≤5 ppm 磷酸盐phosphate (PO43-): ≤10 ppm Al: ≤0.1 ppm As: ≤0.01 ppm Ba: ≤0.5 ppm Be: ≤0.01 ppm Ca: ≤5 ppm Cd: ≤0.01 ppm Ce: ≤0.05 ppm Co: ≤0.01 ppm Cr: ≤0.5 ppm Cu: ≤0.02 ppm Dy: ≤0.01 ppm Er: ≤0.01 ppm Eu: ≤0.01 ppm Fe: ≤1 ppm Ga: ≤0.05 ppm Gd: ≤0.01 ppm Hg: ≤0.005 ppm Ho: ≤0.01 ppm In: ≤0.01 ppm La: ≤0.01 ppm Li: ≤0.2 ppm Lu: ≤0.01 ppm Mg: ≤1 ppm Mn: ≤0.02 ppm Mo: ≤0.05 ppm Na: ≤5 ppm Nd: ≤0.05 ppm Ni: 1 ppm Pb: ≤0.05 ppm Pr: ≤0.01 ppm Sc: ≤0.05 ppm Sm: ≤0.01 ppm Sr: ≤5 ppm Tb: ≤0.01 ppm Th: ≤0.01 ppm Ti: ≤0.05 ppm Tl: ≤0.02 ppm Tm: ≤0.01 ppm U: ≤0.01 ppm V: ≤0.01 ppm Y: ≤0.01 ppm Yb: ≤0.01 ppm Zn: ≤0.1 ppm HG/T3-915-76 项目ltem 分析纯 　 化学纯 (AR) (CP) 含量(KHSO4)Assay,% ≥ 99.0～101.0 99.0～101.0 澄清度试验Clarity 合格 合格 水不溶物lnsoluble matter in water,% ≤ 0.002 0.005 氯化物(Cl)Chloride,% ≤ 0.0005 0.002 氮化合物(N)Nitrogen compounds,% ≤ 0.002 0.005 磷酸盐(PO4)Phosphate,% ≤ 0.001 0.002 硅酸盐(SiO3)Silicate,% ≤ 0.001 0.005 钠(Na)Sodium,% ≤ 0.02 0.05 镁(Mg)Magnesium,% ≤ 0.0005 0.002 铝(Al)Alumium,% ≤ 0.001 0.005 钙(Ca)Calcium,% ≤ 0.002 0.005 铁(Fe)Iron,% ≤ 0.0005 0.002 砷(As)Arsenic,% ≤ 0.0003 0.0005 重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.002 99.99% metals basis: 外观Appearance White or Opaque Crystals or Crystalline Powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.99% Based on Trace Metals Impurities 滴定纯度Purity (Titration by NAOH) 96.5 - 103.5 % ICP: Confirms K and S Components Confirmed 总痕量金属杂质total metallic impurities ≤200ppm by ICP Atomic emission
危险品标志 C WGK Germany 1 RTECS号 TS7200000 F 3 HazardClass 8 PackingGroup II 危险类别码 34-37 安全说明 26-36/37/39-45
用作分析试剂、防腐剂、分析硅时用作熔剂