变成小松鼠
发表于 2025-3-21 16:28:26
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Malleable
发表于 2025-3-21 20:28:14
,Cyclic Boronates as Derivatives for the Gas Chromatography—Mass Spectrometry of Bifunctional Organihe individual polar functional groups with . derivatization reagents to yield less polar structures; and, in the special case where two polar functional groups are in close proximity, by simultaneous reaction of the two groups with a . reagent to form a volatile cyclic derivative.
Ophthalmologist
发表于 2025-3-22 04:23:25
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Glycogen
发表于 2025-3-22 06:34:39
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壮观的游行
发表于 2025-3-22 08:46:17
GC) chemical derivatization as an aid to expand the usefulness of the technique has been known for more than a decade and has become an established approach. The first chapter deals to a great extent with derivatization for the purpose of making compounds amenable to Gc. Although the discussion conc
山崩
发表于 2025-3-22 13:11:24
very powerful tool, derivatization techniques have taken still another di rection-taking into consideration chromatographic as well as mass spec trometric improvement of the compounds of interest. Cyclic boronates are discussed as derivatization reagents for this purpose in the second chapter.978-1-4615-9196-2978-1-4615-9194-8
山崩
发表于 2025-3-22 19:24:02
PowerShell and the World Wide Web,mber of recent reviews. . Derivatization can either be carried out prior to the chromatographic step or immediately following the elution of the sample band from the column. In the latter case, reaction is carried out on-line, in a flowing stream using a ..
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发表于 2025-3-22 23:07:25
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SUGAR
发表于 2025-3-23 02:35:38
,Cyclic Boronates as Derivatives for the Gas Chromatography—Mass Spectrometry of Bifunctional Organi prostaglandins, possess two or more polar functional groups. Since many of these compounds lack the required volatility and thermal stability, they are usually analyzed by gas chromatography only after conversion to less polar, more volatile, and more thermally stable derivatives. Suitable derivati
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发表于 2025-3-23 09:14:41
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