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- 分析和样品的制备
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Replacement Information Replacement Information 1.05560.0001 replaces and is identical to 5560-4 重要规格表
描述 产品目录编号 105560 Replaces 5560-4; 5560 同义词 5560-4, 5560 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) 9.5 - 11.5 µm Layer thickness 150 - 200 µm Deviation of layer thickness per plate ≤ 30 µm Chromatographic testings:
A) Cholesterin testhRf-values
- cholesterin, cholesterin test
28 - 36B) Steroid test - methyltestosterone, steroid test 16 - 26 - Reichstein S, steroid test 30 - 40 - hydrocortisone, steroid test 42 - 52 Typical value determined on an activated sheet (120°C, 15 min)
Eluent a) aceton/ water (95/5 v/v)
Eluent b) aceton/ water (60/40 v/v)
上一件merck millipore产品：merck millipore,默克密理博,119812,铵离子 IC 标准液 1,000 mg/l
下一件merck millipore产品：merck millipore,默克密理博,125040,硝酸根标准液，CRM
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