merck millipore,默克密理愽
  • merck millipore,默克密理博,113724,高级率逆相层析硅胶片

  • merck millipore,默克密理博,113724,高级率逆相层析硅胶片

    产品名称：高级率逆相层析硅胶片
    产品型号：113724
    25 Glass plates 10 x 10 cm

    merck millipore,默克密理博,113724,高级率逆相层析硅胶片

  • 产品介绍
  • merck millipore,默克密理博,113724,高级率逆相层析硅胶片

    Replacement Information
    Replacement Information 1.13724.0001 replaces and is identical to 13724-5

    重要规格表
    描述
    产品目录编号 113724
    Replaces 13724-5; 13724
    同义词 13724-5, 13724
    描述 HPTLC Silica gel 60 RP-18 F₂₅₄s
    概述 RP modified plates serve two purposes: act as a pilot method for HPLC and allow to choose various solvent system for special separations. Our RP-modified silica layers are well suited for many separation challenges that unmodified silica cannot overcome. These layers use aqueous solvent systems to separate extremely non-polar substances and analyze particular polar substances that can adapt to ion-pair chromatography. What’s more, RP-modified silica layers are less dependent on atmospheric humidity. Unlike unmodified silica, RP-phases do not exhibit catalytic activity. This makes them the plates of choice for unstable substance that tend to experience oxidative degradation.
    产品信息
    HS代码 3822 00 00
    GHS安全信息
    储存类别 10 - 13 其它液体及固体
    规格
    规格
    Specific surface area (according to BET; 5-Pt. measurement)480 - 540 m²/g
    Pore volume (N₂-isotherm)0.74 - 0.84 ml/g
    d 50 (laser diffraction, size distribution)5 - 7 µm
    Layer thickness150 - 200 µm
    Deviation of layer thickness per plate≤ 35 µm
    Chromatographic testings:
    A) Cholesterin test
    hRf-values
    - cholesterin, cholesterin test
    11 - 23
    B) Steroid test
    - methyltestosterone, steroid test20 - 40
    - Reichstein S, steroid test50 - 70
    - hydrocortisone, steroid test65 - 85
    Typical value determined on an activated plate (120°C, 15 min)
    Eluent a) aceton/ water (95/5 v/v)
    Eluent b) acetonitrile/ water (70/30 v/v)

    merck millipore,默克密理博,113724,高级率逆相层析硅胶片

上一件merck millipore产品：merck millipore,默克密理博,118458,铁测试剂 盒 补充包
下一件merck millipore产品：merck millipore,默克密理博,151236,不锈钢毛细管(柔性管)，内径0.2 mm，外径 0.5 mm，长1000 mm


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