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        2,3,4-三甲氧基苯甲醛

        序號 項目Item 指標Specification
        1 外觀Appearance 白色或類白色結晶性粉末
        White or almost white crystalline powder
        2 含量Assay, % ≥98.0
        3 熔點 MP,ºC 38.0-40.0
        4 酸含量ACIDTY, % ≤0.5
        5 純度PURITY(GC), % ≥99.0
        6 1,2,3-三甲氧基苯(GC), %
        1,2,3-TRIMETHOXYBENZENE(GC), %
        ≤0.3
        7 水分 QUANTITY, % ≤1.0
         
         
         
         
         
        99视频/这里只精品24热在线|久久精品国产字幕高潮|伊人色综合网久久天天|国产 第一页 精品

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