性狀白色結(jié)晶或結(jié)晶性粉末。無氣味。緩慢溶于12份冷水、3.1份沸水，溶于水，不溶于乙醇。有強(qiáng)氧化性。有刺激性。密度:3.89熔點(diǎn):560℃(部分分解)
                  
                  備注: 以上描述，僅作參考，并不表示您收到的產(chǎn)品，與此項(xiàng)描述完全相符，產(chǎn)品的出廠標(biāo)準(zhǔn)，請參見質(zhì)量標(biāo)準(zhǔn)。
                  質(zhì)量標(biāo)準(zhǔn)
                   GB/T651-93
                  項(xiàng)目ltem                                        優(yōu)級純      分析純
                                                                         (GR)        (AR)
                  含量(KClO3)Assay,%                      ≥99.8%       99.8%
                  pH(50g/L溶液,25℃)pH of water solution    5.0-7.0     5.0-7.0
                  澄清度試驗(yàn)Clarity                         合格        合格
                  水不溶物lnsoluble matter in water,%     ≤0.002       0.005
                  干燥失重Drying loss,%                   ≤0.05        0.1
                  氯化物及氯酸鹽(以Cl計(jì))Chloride  and
                  chlotate,%                              ≤0.005       0.02
                  碘化物(I)lodide,%                       ≤0.001       0.002
                  硫酸鹽(SO4)Sulfale,%                    ≤0.003       0.01
                  總氮量(N)Total nitrogen,%               ≤0.002       0.003
                  鈉(Na)Sodium,%                          ≤0.01        0.02
                  鐵(Fe)Iron,%                            ≤0.0002      0.0005
                  重金屬(以Pb計(jì))Heavy metals,%            ≤0.0005      0.001
                  貯存密封保存。
                  用途配制碳酸鉀標(biāo)準(zhǔn)溶液。分析鋅、碘、砷。容量法分析中用作氧化劑。