久久久观看免费视频,亚洲 欧美在线视,永久在线亚洲观看,三级日本久久高清

<fieldset id="jrwtf"></fieldset>
  • <pre id="jrwtf"><small id="jrwtf"><samp id="jrwtf"></samp></small></pre>

      • 
        

        <div id="jrwtf"></div>

      • Products

        Products

        L-Ornithine hydrochloride

        Product name: L-Ornithine hydrochloride

        CAS  NO.: 3184-13-2

        Molecular formula: C5H13ClN2O2

        Structural formula:

        Quality index:

        Item Index
        Appearance white crystalline powder
        Assay(%) 99.0-101.0
        Transmissivity(%) ≥98.0
        pH 5.0-6.0(10% H2O)
        Specific rotation (º)[α]D20 +23.5±1.0(5.5g/100ml,6N HCl)
        Loss on Drying (%) ≤0.2
        Residue on ignition (%) ≤0.10
        Heavy metals (as Pb)(ppm) ≤10
        Arsenic (ppm) ≤1

        Uses: Mainly used in food additive, etc.