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    氢氧化钠

    发布日期:2021/9/2 8:30:08

    201081935953565.jpg

    一、产品名称:粒状氢氧化钠

    二、检验依据:GB/209-2018

    三、外观:白色有光泽允许微带颜色

    NaOH,%    ≧ 98.0

    NaCL,%     ≦ 0.05

    四、检验方法:中和滴定法


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