merck millipore,默克密理愽
  • merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l

  • merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l

    产品名称：铵离子 IC 标准液 1,000 mg/l
    产品型号：119812
    traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ Certipur

    merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l

  • 产品介绍
  • merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l

    重要规格表
    描述
    产品目录编号 119812
    产品信息
    HS代码 2827 10 00
    理化信息
    密度 0.99 g/cm³ (20 °C)
    pH值 5.4 (H₂O, 20 °C)
    溶解度 (20 °C) 可溶
    GHS安全信息
    储存类别 10 - 13 其它液体及固体
    WGK NWG 没有使水遭到危害
    一次性 28
    水溶液:第D类.
    规格
    规格
    Concentration     β (NH₄⁺)990 - 1010 mg/l
    Determination method: Argentometric titration.
    The content of this solution was determined with silver nitrate standard solution (article number 1.09081) standardized against volumetric standard sodium chloride (article number 1.02406). The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 999b (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard sodium chloride, measured in the accredited calibration laboratory of Merck KGaA in accordance to DI

    merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l

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