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氢氧化钾

发布时间:2011-8-30  来源:    阅读次数:3228

氢氧化钾
性状 Properties
氢氧化钾为白色片状含结晶水晶体,极易从空气中吸收水份而潮解,和二氧化碳与水生成碳酸钾,极易溶于水,较强放热,水溶液呈强碱性。腐蚀性强。
用途 Uses:氢氧化钾用于钾盐、电镀、印染、复合肥料、合成纤维、塑料、碱性电池、医药中间体、食品添加剂、化妆品等工业。
包装 Package固体片状,每袋净含量5025千克,聚乙烯复膜编织外袋和聚乙烯内膜塑料袋装。
质量标准 StandardHG/T 3688-2000

                                                                                                                          
                                                                                                                                                                              一等
氢氧化钾(KOH)含量 ≥                                                                            95.0                                                               90.0
碳酸钾(K2CO3含量 ≤                                                                            0.5                                                                  0.5
氯化物(以Cl计)含量 ≤                                                                           0.005                                                             0.005
铁(Fe)含量 ≤                                                                                           0.0005                                                          0.0005
硫酸盐(以SO4计)含量 ≤                                                                       0.005                                                             0.005
硝酸盐及亚硝酸盐(以N计)含量 ≤                                                       0.0005                                                          0.0005
钠(Na)含量 ≤                                                                                           0.8                                                                 0.8
磷酸盐(PO4)含量 ≤                                                                                 0.005                                                             0.005
硅酸盐(SiO3 )含量 ≤                                                                               0.01                                                               0.01
铝(Al)含量 ≤                                                                                            0.002                                                             0.002
钙(Ca)含量 ≤                                                                                           0.005                                                              0.005
镍(Ni)含量 ≤                                                                                            0.0005                                                          0.0005
重金属(以Pb计)含量 ≤                                                                          0.002                                                             0.002
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