標題: Titlebook: Chromatographic Methods; R. Stock,C. B. F. Rice Book 1974 R. Stock and C. B. F. Rice 1974 Chromat.adsorption.chromatography.classification [打印本頁] 作者: 粗略 時間: 2025-3-21 17:19
書目名稱Chromatographic Methods影響因子(影響力)
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https://doi.org/10.1007/978-3-8349-9321-2Tswett, who used it for the separation of coloured substances, and the name chromatography stems from this. However, the limitation to coloured compounds never really obtained, and most chromatographic separations are nowadays performed on mixtures of colourless substances, including gases.作者: Certainty 時間: 2025-3-22 03:44 作者: 分發(fā) 時間: 2025-3-22 07:30
Recruitment Learning – An Introductionping together a number of different physical systems, and the common feature is the practical technique which is used; the broad sub-divisions were described in Chapter 1. The solid column packing may be itself the stationary phase (adsorption or ion-exchange chromatography) or the packing may be th作者: 繼而發(fā)生 時間: 2025-3-22 11:54
Recruitment Learning – An Introduction process called ‘capillary analysis’ (Goppelsr?der, 1909). Such methods were really more like adsorption chromatography, and paper chromatography as it is now understood was a development of the partition system introduced by Martin and Synge in 1941 (see Chapter 2). One of the solids which can be u作者: 癡呆 時間: 2025-3-22 12:56
Connectivity and Candidate Structures hydrogen will now be considered. Adsorption and partition systems are possible; the respective techniques are known as . (GSC) and . (GLC). In gas-solid chromatography the column is packed with an adsorbent such as silica gel and the components of the mixture distribute themselves between the gas p作者: 癡呆 時間: 2025-3-22 17:05 作者: 惡意 時間: 2025-3-22 22:42 作者: choleretic 時間: 2025-3-23 05:14
https://doi.org/10.1007/978-1-4899-3360-7Chromat; adsorption; chromatography; classification; electrophoresis; experiment; paper; phase; sorption; sys作者: 重疊 時間: 2025-3-23 06:18
978-0-412-20810-2R. Stock and C. B. F. Rice 1974作者: Inordinate 時間: 2025-3-23 12:05 作者: Expostulate 時間: 2025-3-23 17:30
Recruitment Learning – An Introductions principally by electrostatic forces. The newer technique of gel chromatography (gel filtration), where the stationary phase is a porous gel and the separation is according to molecular size, is included in this chapter because the methods used are commonly those of conventional column chromatography.作者: 百科全書 時間: 2025-3-23 18:58 作者: 遺傳 時間: 2025-3-24 00:24 作者: 收養(yǎng) 時間: 2025-3-24 04:34 作者: CHART 時間: 2025-3-24 08:19
eness. The original method was described in 1903 by Tswett, who used it for the separation of coloured substances, and the name chromatog- raphy stems from this. However, the limitation to coloured compounds never really obtained, and most chromatographic separations are nowadays performed on mixtur作者: 不妥協(xié) 時間: 2025-3-24 11:14
Paper Chromatography; Zone Electrophoresis,sed to support the stationary phase is cellulose powder (p. 38). Consden, Gordon and Martin[l] in 1944 separated the amino-acids and peptides in wool protein hydrolysates by a method in which the powder column was replaced by a sheet or strip of paper, freely suspended in a vapour-tight vessel.作者: 預(yù)示 時間: 2025-3-24 16:24
Thin-layer Chromatography,d as a binder. The strips were handled in the same way that paper is handled in paper chromatography, and indeed the original object of the thin-layer technique was to apply the methods of paper partition chromatography to an adsorption system.作者: 招募 時間: 2025-3-24 21:32
Book 1974 original method was described in 1903 by Tswett, who used it for the separation of coloured substances, and the name chromatog- raphy stems from this. However, the limitation to coloured compounds never really obtained, and most chromatographic separations are nowadays performed on mixtures of colo作者: 聯(lián)邦 時間: 2025-3-25 01:25
Recruitment Learning – An Introductionsed to support the stationary phase is cellulose powder (p. 38). Consden, Gordon and Martin[l] in 1944 separated the amino-acids and peptides in wool protein hydrolysates by a method in which the powder column was replaced by a sheet or strip of paper, freely suspended in a vapour-tight vessel.作者: MURKY 時間: 2025-3-25 04:31 作者: RAG 時間: 2025-3-25 10:37 作者: 織物 時間: 2025-3-25 12:24 作者: 啞巴 時間: 2025-3-25 16:45
d the stationary phase may be a solid or a liquid. There are thus four main sub-divisions of the chromatographic process, as set out in Table 1.1. The system is called adsorption chromatography if the stationary phase is a solid, and partition chromatography if it is a liquid.978-0-412-20810-2978-1-4899-3360-7作者: 拖債 時間: 2025-3-25 21:12 作者: Ledger 時間: 2025-3-26 01:52 作者: 合乎習(xí)俗 時間: 2025-3-26 04:20
Liquid-phase Chromatography on Columns,ping together a number of different physical systems, and the common feature is the practical technique which is used; the broad sub-divisions were described in Chapter 1. The solid column packing may be itself the stationary phase (adsorption or ion-exchange chromatography) or the packing may be th作者: 易于 時間: 2025-3-26 11:20 作者: 損壞 時間: 2025-3-26 12:45 作者: Accommodation 時間: 2025-3-26 20:05
Thin-layer Chromatography, Shraiber in 1938. Meinhard and Hall[1] in 1949 developed this notion of an ‘open column’, and in 1951 Kirchner, Miller, and Keller[2] reported the separation of terpenes on a ‘chromatostrip’, prepared by coating a small glass strip with an adsorbent mixed with starch or plaster of Paris, which acte作者: Organization 時間: 2025-3-26 22:52
Model Experiments in Chromatographic Techniques,of chromatography to undergraduate students, and to members of short courses in Practical Chromatography. The experiments have been chosen to give an example of each of the main procedures, and all have been found to work well in the hands of the inexperienced. No particular originality is claimed, 作者: panorama 時間: 2025-3-27 01:59
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