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- 分析和样品的制备
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Replacement Information Replacement Information 1.16464.0001 replaces and is identical to 16464-5 重要规格表
描述 产品目录编号 116464 Replaces 16464-5; 16464 同义词 16464-5, 16464 描述 HPTLC Silica gel 60 CN F₂₅₄s 概述 Our NH2, CN and DIOL -modified silica sorbents are less polar then conventional silica phases, making them ideal for separating hydrophilic or charged substances. Our moderately polar cyano- and diol-modified silica plates can be used for both normal phase and reversed phase systems. An alternative to PEI cellulose, amino-modified NH2 plates provide weak basic ion exchange characteristics with special selectivity for charged compounds. 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 (BET) 460 - 520 m²/g Pore volume 0.71 - 0.78 ml/g d 50 (laser diffraction, size distribution) 5 - 7 µm Layer thickness 150 - 200 µm Deviation of layer thickness per plate ≤ 35 µm Chromatographic testings:
A) Steroidtest, straight phasehRf-values
- hydrocortisone, straight phase
10 - 20- Reichstein S, straight phase 20 - 30 - Methyltestosterone, straight phase 35 - 47 B) Steroid test, reversed phase - methyltestosterone, steroid test 36 - 48 - Reichstein S, steroid test 46 - 58 - hydrocortisone, steroid test 56 - 68 Typical value determined on an activated plate (120°C, 15 min)
Eluent a) petroleum benzine 40-60°/acetone (80/20 v/v)
Eluent b) acetone/water (30/70 v/v)
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