merck millipore,默克密理愽
  • merck millipore,默克密理博,109119,重铬酸钾 溶液

  • merck millipore,默克密理博,109119,重铬酸钾 溶液

    产品名称：重铬酸钾 溶液
    产品型号：109119
    for determination of COD c(K₂Cr₂O₇) = 0.020 mol/l Titripur

    merck millipore,默克密理博,109119,重铬酸钾 溶液

  • 产品介绍
  • merck millipore,默克密理博,109119,重铬酸钾 溶液

    重要规格表
    描述
    产品目录编号 109119
    产品信息
    HS代码 2841 50 00
    理化信息
    密度 1.0 g/cm³ (20 °C)
    pH值 3.8 (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 H340: 可能造成遗传性缺陷。
    H350: 可能致癌。
    H360FD: 有可能损害生育能力。 有可能会损害胎儿。
    H412: 受长期的影响，对水生生物有害
    EUH208: 可能产生过敏反应。
    注意事项声明 P201: 得到专门指导后操作
    P273: 避免释放到环境中。
    P308 + P313: 如接触到或有疑虑：求医/就诊。
    提示语 危险
    储存类别 6.1B 非燃烧性物质,有毒
    WGK WGK 3 高度的水危害
    一次性 22
    无机的过氧化物及溴,碘一类的氧化剂可以用酸性的硫代硫酸钠溶液(编号:106512)使成无害. 第D类.
    安全信息
    危害性符号 Toxic
    危险种类 ???, ?????, ???, ?????
    R相 R 45-46-20-52/53
    May cause cancer.May cause heritable genetic damage.Also harmful by inhalation.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
    S相 S 53-45-61
    Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
    规格
    规格
    Amount-of-substance concentration0.0200 mol/l
    The concentration of this volumetric solution was determined with sodium thiosulfate standard solution (Merck article number 1.09147) standardized against volumetric standard potassium iodate (Merck article number 1.02404). The determined titer at 20°C was 1.000 with an expanded measurement uncertainty of ± 0.003 (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 136f (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard potassium iodate, measured in the accredited calibration laboratory of Mer

    merck millipore,默克密理博,109119,重铬酸钾 溶液

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