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氢氧化钾
发布时间：2011-8-30　　来源：　　　　阅读次数：9458

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50或25千克，聚乙烯复膜编织外袋和聚乙烯内膜塑料袋装。
质量标准 Standard：HG/T 3688-2000

项     目                                                                                                              指        标
                                                                                                                         优等品                                                     一等品
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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