β Scribed by J.R. Powell; D. McMullan
No coin nor oath required. For personal study only.
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## Abstract Liquid chromatographic (LC) type trace enrichment is coupled online with capillary gas chromatography (GC) with mass spectrometric (MS) detection for the analysis of aqueous samples. A volume of 1β10 ml of an aqueous sample is preconcentrated on a traceβenrichment column packed with a p
In order to investigate the relationship between terpenoid content and black bear foraging preference, an analytical method was required to quantify mono-and sesquiterpenoids present in Douglas-fir sapwood. Sapwood samples were scraped from trees, immediately frozen in liquid nitrogen, and then homo
A method combining gas chromatography and mass spectrometry (GC-MS) with multiple specific ion monitoring has been developed for the detection of S-methylcytosine and the quantitation of the ratio of methylcytosine to cytosine in DNA. The trimethylsilyl derivatives of cytosine and S-methylcytosine o