日本丰满熟妇无码亚洲影视下载,国产人妻精品午夜福利免费,rylskyart裸体全身,一个人看的www在线视频

  • 江蘇遠(yuǎn)洋藥業(yè)股份有限公司

    Jiangsu Yuanyang Pharmaceutical Co., Ltd.

  • Products

    "Advanced process, first-rate products, perfect service" as Yuanyang's firm principle in business.

    4-Aminobutyric acid

    Cas. No.: 56-12-2
    Other Name: Gamma Aminobutyric acid, г-Aminobutyric acid , г-amino-n-butyric acid.
    Formula: C4H9NO2
    Structural Formula: NH2C3H6COOH
    Molecular Weight: 103.12

    Specifications:

    Item

    Specification

    Appearance

    White needle crystal or crystalline powder

    Assay

    99.50% min

    Clarity of Solution

    Colourless and clear

    Loss and Drying

    0.2% max

    Calcined Residue

    0.1% max

    Heavy Metals(Pb)

    10ppm max

    As

    2ppm max

    pH

    6.5~7.5

    Melting point

    197~204°C

    Characteristic:  white crystalline hygroscopic powder, a slight characteristic odor, hygroscopic, soluble in water and soluble slightly in thermal alcohol, insoluble in cool alcohol, ether or benzene.
    Packing: 25kg/carton/drum
    STORAGE: Be stored in cool, dry place, free from toxic or harmful goods when be stored and delivered.

    Mailbox User: @jchg.com PWD:
    主站蜘蛛池模板: 大英县| 栾城县| 盐津县| 乌拉特中旗| 湘乡市| 瑞昌市| 江城| 湖州市| 昌邑市| 安岳县| 马关县| 尚义县| 盘山县| 仁布县| 浪卡子县| 肥西县| 靖安县| 阳谷县| 宜黄县| 北京市| 涞源县| 元朗区| 西和县| 桑日县| 西城区| 五指山市| 武鸣县| 泰安市| 桐庐县| 宣武区| 南召县| 遂昌县| 兴仁县| 枣庄市| 盈江县| 光泽县| 和平区| 章丘市| 丘北县| 昌黎县| 巴青县|