• merck millipore,默克密理博,109409,缓冲液
  • merck millipore,默克密理博,109409,缓冲液

    产品名称:缓冲液
    产品型号:109409
    (硼酸/氯化钾/氢氧化钠),可追溯至 NIST 和 PTB 的 SRM pH 10.00 (25°C) Certipur

    merck millipore,默克密理博,109409,缓冲液

  • 产品介绍

  • 重要规格表

    描述
    产品目录编号 109409
    产品信息
    HS代码 3822 00 00
    理化信息
    沸点 100 °C
    密度 1.0044 g/cm³ (25 °C)
    pH值 10.0 (H₂O, 25 °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
    pH-value (25 °C)9.98 - 10.02
    Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (expanded measurement uncertainty +/-0.02) with ref.buffer solutions according to DIN 19266, prepared with primary reference materials, at the accredited laboratory according to DIN EN ISO/IEC 17025.
    Deviations of pH (ΔpH) at various temperatures:
     (5 °C)+ 0.22
     (10 °C)+ 0.16
     (15 °C)+ 0.10
     (20 °C)+ 0.05
     (25 °C)+/- 0
     (30 °C)- 0.06
     (35 °C)- 0.10
     (40 °C)- 0.14
     (45 °C)- 0.20
     (50 °C)- 0.27
    Traceable to primary reference materials from:
    NIST 189c, 188, 185h, 186 Ig, 186IIg, 187e
    PTB OX-179/10,TA-212/11,PHT-232/12,PHO-243/12,BO-211/11
    NIST: National Institute of Standards and Technology
    PTB: Physikalisch-Technische Bundesanstalt


上一件merck millipore产品:merck millipore,默克密理博,105445,碘化锌淀粉溶液
下一件merck millipore产品:merck millipore,默克密理博,807007,1-苯-1,2-乙二醇



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