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In the determination of ammonia concentration in a sample gas, trapping NH4+ ions using a sulfuric acid trap is popular. However, I was not certain if there is
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tatic headspace gas chromatography (GC) is a technique used for the a vial containing the sample, the dilution solvent, a matrix modifier, and the.
Interestingly, however, in plant samples, specific compounds show severe decrease in intensity in comparative evaluations using the isopropanol-based extraction
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