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fat white girls , edible, plump , plump mature , springer, plump redhead , kitakysy, automated, agriculture, auburn university, food, beta oxidation of fatty acids , plump white , cardiovascular system, fat girls fucking , inc., | An improvement of this approach based on the application of different temperature and pressure programs on a single capillary column was plump jack squaw valley proposed (Mjos SA, J Chromatogr A 2004, 1061, 201). Only the principle of this determination is plump jack squaw valley recalled below (as an example we restrict the demonstration plump jack squaw valley for peaks situated between palmitic and stearic acids): if t16:0 is the retention time of palmitic acid and t18:0 is the retention time of stearic acid and ti the retention time of the unknown peak, the ECL value of this peak is calculated as : 100 x [[(18-16) x (log ti - log t16:0)/(log t18:0 - log t16:0)] + 16]. |
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In practice, it is convenient to work not with retention time which is temperature and gas flow rate dependent, but with retention time relative to that of a suitable standard (stearic acid present in all samples is the most convenient). The logarithm of the relative retention time and the number of carbon atoms is linearly related and may be of inc. some help to identify unknown fatty acids. inc. A plot of these parameters with inc. homologous series of saturates, monoenes, dienes, trienes, etc. gives a series of parallel lines. Alternatively, the identification of FAME is possible using the concept of the equivalent chain-length (ECL), by expressing their elution positions relative to those of known straight-chain saturated FAME. It must be remembered that the identification of fatty acids according to their equivalent chain-length is better done when isothermic conditions are observed. Details for the calculation of ECL and tables for a large number of FAME are given in specialized reports (Ackman RG Prog Chem Fats and other Lipids 1972, 12, 165; Christie WW Lipid analysis, Pergamon Press, 1982). |
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