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氫氧化鉀
發(fā)布時(shí)間：2011-8-30　　來(lái)源：　　　　閱讀次數(shù)：9424

氫氧化鉀
性狀 Properties：
氫氧化鉀為白色片狀含結(jié)晶水晶體，極易從空氣中吸收水份而潮解，和二氧化碳與水生成碳酸鉀，極易溶于水，較強(qiáng)放熱，水溶液呈強(qiáng)堿性。腐蝕性強(qiáng)。
用途 Uses：氫氧化鉀用于鉀鹽、電鍍、印染、復(fù)合肥料、合成纖維、塑料、堿性電池、醫(yī)藥中間體、食品添加劑、化妝品等工業(yè)。
包裝 Package：固體片狀，每袋凈含量50或25千克，聚乙烯復(fù)膜編織外袋和聚乙烯內(nèi)膜塑料袋裝。
質(zhì)量標(biāo)準(zhǔn) Standard：HG/T 3688-2000

項(xiàng)     目                                                                                                              指        標(biāo)
                                                                                                                         優(yōu)等品                                                     一等品
氫氧化鉀（KOH）含量 ≥                                                                            95.0                                                               90.0
碳酸鉀（K2CO3）含量 ≤                                                                            0.5                                                                  0.5
氯化物（以Cl計(jì)）含量 ≤                                                                           0.005                                                             0.005
鐵（Fe）含量 ≤                                                                                           0.0005                                                          0.0005
硫酸鹽（以SO4計(jì)）含量 ≤                                                                       0.005                                                             0.005
硝酸鹽及亞硝酸鹽（以N計(jì)）含量 ≤                                                       0.0005                                                          0.0005
鈉（Na）含量 ≤                                                                                           0.8                                                                 0.8
磷酸鹽（PO4）含量 ≤                                                                                 0.005                                                             0.005
硅酸鹽（SiO3 ）含量 ≤                                                                               0.01                                                               0.01
鋁（Al）含量 ≤                                                                                            0.002                                                             0.002
鈣（Ca）含量 ≤                                                                                           0.005                                                              0.005
鎳（Ni）含量 ≤                                                                                            0.0005                                                          0.0005
重金屬（以Pb計(jì)）含量 ≤                                                                          0.002                                                             0.002
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