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(A) Standard substances.
Standard substances; b.
The standard substances were purchased from Sigma Aldrich.
The retention times were determined using pure standard substances.
The columns differed widely in their performance with respect to peak shapes and widths for standard substances.
Olive oil, oleic acid, and oleyl oleate were used as standard substances for TAG, FA and WE, respectively.
Similar(21)
Specific gravity, also called relative density, ratio of the density of a substance to that of a standard substance.
Bored with the standard substance-abuse lecture, he began punctuating his talks with personal asides and off-color language.
f = A s / C s A R / C R. As: peak area of internal standard substance; Cs: concentration of internal standard substance; AR: peak area of standard substance; Cs: concentration of standard substance.
Methyl heptadecanoate was used as an internal standard substance.
The correction factor (f) was the ratio of responses between internal standard substance (As/Cs) and standard substance(AR/CR).
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