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119899 亚硝酸钠水溶液

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119899
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1.19899.0500
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      塑胶瓶 500 ml
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      描述
      产品目录编号119899
      同义词Nitrite standard for aqueous matrices ready foruse
      参考
      产品信息
      HS代码2834 10 10
      Quality LevelMQ100
      应用
      生物信息
      理化信息
      密度1.001 g/cm3 (20 °C)
      pH值7 (H₂O, 20 °C)
      尺寸
      材料信息
      毒性学信息
      GHS安全信息
      储存类别10 - 13 其它液体及固体
      WGKWGK 2 严重水危害
      一次性28
      水溶液:第D类.
      安全信息
      产品使用声明
      储存和货运信息
      储存于 +15°C 到 +25°C储存.
      包装信息
      运输信息
      补充信息
      规格
      Concentration     β (NO₂⁻)990 - 1010 mg/l
      Determination method: Cerimetric titration.
      The content of this solution was determined by back-titration with Ammonium(II) ferrous sulfate (article number 1.03792) standardized by Cerium(IV) sulfate (article number 1.09092) against volumetric standard Iron(II)ethylendiammonium sulfate (article number 1.02402). The expanded measurement uncertainty is ± 0.7 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 8040 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard Iron(II)ethylendiammonium sulfate measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
      Global Trade Item Number
      产品目录编号 GTIN
      1.19899.0500 04022536181509

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      110057 亚硝酸盐测试条 显示价格及库存情况

      Accessories (Secondary)

      种类

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