Abstract
Methods for the gas chromatographic determination of organic impurities (with a detection limit of 5 · 10 −4−5 · 10 −5%) in solvents for liquid chromatography have been developed to supply technologists with a reliable means of analytical control control in the commercial production of high-purity solvents. The series of solvents investigated included acetonitrile, methanol, ethanol, methylene chloride, formic acid, dimethylformamide, pyridine, tetrahydrofuran and dimethyl sulphoxide. Data on the content of major impurities in these above solvents and conditions for quantitative analysis are presented.
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