merck millipore,默克密理愽
  • merck millipore,默克密理博,109895,金属钳合剂 溶液B

  • merck millipore,默克密理博,109895,金属钳合剂 溶液B

    产品名称：金属钳合剂 溶液B
    产品型号：109895
    for the determination of alkaline earth in water (hardness), 1 ml = 10 mg CaO/l (≙ 1 German degrees of hardness) using 100 ml of water for 1000 ml Titrisol

    merck millipore,默克密理博,109895,金属钳合剂 溶液B

  • 产品介绍
  • merck millipore,默克密理博,109895,金属钳合剂 溶液B

    重要规格表
    描述
    产品目录编号 109895
    同义词 Alkaline, determination
    产品信息
    HS代码 3822 00 00
    理化信息
    密度 1.10 g/cm³ (20 °C)
    pH值 7.5 (H₂O, 20 °C)
    溶解度 (20 °C) 可溶
    GHS安全信息
    危害性图示
    危害性声明 H319: 造成严重眼刺激。
    注意事项声明 P305 + P351 + P338: 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
    提示语 警告
    储存类别 10 - 13 其它液体及固体
    WGK WGK 2 水危害
    一次性 28
    水溶液:第D类.
    规格
    规格
    1 ml of reagent is equevalent to 1 degree german hardness when using 100 ml of water.
    1°d = 10 mg CaO/l
    Efficiency value0.995 - 1.005 °dH
    Determination method: Complexometric titration.
    The efficiency value of this solution was determined with volumetric standard calcium carbonate (Merck article number 1.02410). The expanded measurement uncertainty is ± 0.007 (k=2 coverage factor for 95% coverage probility). The certified value is traceable to primary standard NIST SRM 682 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard calcium carbonate, measured in the accredited calibration laboratory of Merck KGaA in accordance to DIN EN ISO/IEC 17025.

    merck millipore,默克密理博,109895,金属钳合剂 溶液B

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