Column selection in gas chromatography : by H.M. McNair, American Chemical Society, Washington, DC, four audiotape cassettes (4.2 h playing time) and a 140-page manual, price US$ 265.00 (U.S.A.), US$ 350.00 (rest of world).
specialty columnsIntroductionCapillary Column TechnologyPreparation of Fused-Silica Capillary ColumnsChromatographic Performance of Capillary ColumnsStationary-Phase Selection for Capillary Gas ChromatographySpecialty ColumnsCapillary Column SelectionColumn Installation and CareSpecial Gas Chromatographic TechniquesReferences...
GC112N Gas ChromatographGC112N Gas chromatograph is one of widely used analytical instruments. It has become an ideal analytical instrument for separation or analysis in various fields.Technical Features1.Standard PC control software, built-in chromatographic workstation, achieve PC...
New Study Reviews Chromatography Methods for Flavonoid Analysis Aaron Acevedo April 22nd 2025 Article Flavonoids are widely used metabolites that carry out various functions in different industries, such as food and cosmetics. Detecting, separating, and quantifying them in fruit species can be a complica...
A combination of a room-temperature extraction of coal tar pitch, silicic acid adsorption chromatography to isolate the polynuclear aromatic hydrocarbon fraction, and capillary gas chromatography has been shown to provide an unambiguous basis for estimating the quality of thermic electrodes produced from ...
BK-GC901 gas chromatograph can realize full EPCelectronic flow control, realize full computer control of theinstrument, and can be equipped with a high-precisionliquid automatic sampler. It can be widely used in manyfields such as petroleum, chemical industry, environmentalprot...
The packed column in gas chromatography : by Walt R. Supina, Supelco Inc., Bellefonte, Pa., 1974. VI + 166 pp., price US$ 12.00 (educational institutions receive a 50% discount on orders of 20 or more copies).Author links open overlay panelHarold M. McNairShow more...
Abstract SoI-geI capiIIary coIumn in gas chromatography is a new type of coIumn. Compared with the coIumn that is made using static coating and free radicaI cross-Iinking,this new type coIumn has the conspicuous advantage of higher stabiIity at high temperatures and in soIvents,as weII ...
The meaning of COLUMN CHROMATOGRAPHY is chromatography in which the substances to be separated are introduced onto the top of a column packed with an adsorbent (as silica gel or alumina), pass through the column at different rates that depend on the affi
Some typical liquids used for stationary phases in gas chromatography are listed in Table 9. Table 9. Liquids for Stationary Phases in Gas Chromatography* MaterialTemp.Retards Dimethylsulfolane 0-40° Olefins and aromatic hydrocarbons Di-n-butyl phthalate 0-40° General purposes Squalane 0-150° ...