• <div id="lcuca"><label id="lcuca"><nav id="lcuca"></nav></label></div>

    
    
  • 色综合蜜桃视频在线观看,国产成人精品综合久久,中文无码AV一区二区三区,男人添女人下部全视频

    Langfang Naco New Material(Chemical Reagent Department)
    Professional production base of general chemical reagent and pharmaceutical accessories
    Hotline:+86-15076659665
    Products
    Products
    Soluble starch

    Soluble starch

    Molecular formula: (C6H10O5)n
    Molecular weight: (162.14)n
    CAS NO:9005-84-9
    Properties: White powder. Soluble in boiling water, insoluble in cold water, alcohol and ether.
    Uses: As indicator for iodine titrimetry. In biochemical analysis. As thickener, stabilizer, filler, and etc.
    Standard: The maximum content of impurities is in percentage content

    Standard/item

    AR

    Water solubility test

    Qualified

    PH value (20g/L solution, 25℃)

    6.0~7.5

    Sensitivity to iodine

    Qualified

    Drying loss

    ≤13

    Ignition residue

    ≤0.5

    Fehling reagent reducing substance (maltose)

    ≤0.7

    Packing: Kraft bag or fiber drum lined with plastic, net weight is 25kg.

    Back

    WeChat
    Contact Us
    Copyright (C) 2020, Langfang Naco new material Technology Co., LTD All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle Copyright Notice
     
    點(diǎn)擊這里給我發(fā)消息
    客服一
    點(diǎn)擊這里給我發(fā)消息
    客服二
    點(diǎn)擊這里給我發(fā)消息
    客服三
     
     
     
     
    色综合蜜桃视频在线观看,国产成人精品综合久久,中文无码AV一区二区三区,男人添女人下部全视频
  • <div id="lcuca"><label id="lcuca"><nav id="lcuca"></nav></label></div>