• <wbr id="280yt"></wbr>

    <bdo id="280yt"></bdo>

    產品展示Products

    產品中心

    維達列汀

    序號 項目 Item 指標 Specification
    1 外觀 Appearance 白色或類白色結晶性粉末
    White oralmost white crystalline powder
    2 鑒別 Identification IR:  corresponds to the standard
    UV:  corresponds to the standard
    3 比旋度(º)
    Specific optical rotation(º)
    1.0% methanol(20ºC), +96~+100
    3 含量  Assay (%)(dry bass) 99.0~101.0
    4 水分 Water(%) ≤0.5
    5 灰分Sulphated ash(%) ≤0.1
    6 相關物質(HPLC)(%)
    Related substances
    impurity  A ≤0.1
    impurity  B ≤0.1
    impurity  C ≤0.1
    Max individual impurity ≤0.1
    Total impurities ≤0.5
    7 重金屬 Heavy Metals(as Pb)(ppm) ≤20
    8 殘留溶劑 Residual solvent(%) 2-butanone ≤0.5
     
     
     
     
     
    少妇无码aV专区影片_国产精品线上观看_精品国产一区二区三_日韩精品午夜视频一区二区