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硫酸铬钾

硫酸铬钾 [7788-99-0]

  • Chromium potassium sulfate dodecahydrate
  • CAS:7788-99-0      
  • 分子式:CRH24KO20S2
  • 分子量:499.4
  • MDL:
  • EINECS:233-401-6
  • 别名:十二水 硫酸铬钾 十二水合硫酸铬(III)钾 铬矾 十二水硫酸铬钾 钾铬矾
产品货号商品名称规格包装售价(RMB)库存量数量操作备注
H1123342硫酸铬钾 [7788-99-0]AR500g65.00>10 C54 MG
H1123345硫酸铬钾 [7788-99-0]CP500g60.00>10 C54 MG
H1123348硫酸铬钾 [7788-99-0]GR500g85.00>10 C54 MG
H1123350硫酸铬钾 [7788-99-0]ACS500g85.00>10
H1123356硫酸铬钾 [7788-99-0]99.99%25g95.00>10
H1123361硫酸铬钾 [7788-99-0]SP25g95.00>10
H1123362硫酸铬钾 [7788-99-0]PT100g102.00>10
化学性质质量标准危险性质用途及储存
化学性质
紫色或紫红色等轴晶系八面体结晶,易制成大颗粒结晶。 溶于水、稀酸,不溶于醇。 熔点 89 °C(lit.) 密度 1.83 水溶解性 24 g/100 mL (15 oC)
质量标准
  

/(HG)SJ766-1998 HG3-916-76


ACS级
项目名称                          ACS Grade
含量Assay                                      98.0-102.0%
氯化物(Cl)Chloride                   ≤0.002%
铝(Al)Aluminum                          ≤0.02%
铁(Fe)Iron                                     ≤0.01%
铵盐(NH4)Ammonium               ≤0.01%
重金属(以Pb计)Heavy                 ≤0.01%


项目ltem                                             分析纯      化学纯
                          (AR)              (CP)
含量Assay,%                                       ≥99.5              99.0
水不溶物lnsoluble matter in water,%  ≤0.005             0.01
氯化物(Cl)Chloride,%                        ≤0.002             0.005
铵盐(NH4),%                                        ≤0.01              0.03
铝(AL)ALuminum,%                           ≤0.02              0.05
铁(Fe)Iron,%                                         ≤0.005             0.02
重金属(以Pb计)Heavy metals,%         ≤0.002             0.01


99.99% metals basis:


外观Appearance                          White Powder
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Chromium component
痕量金属杂质total metallic impurities   ≤100ppm by ICP Atomic emission

  
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