Using PEG-20M/Chromosorb WAW DMCS as a fixed phase, 3,5-xylidine and impurities would have been separated by gas chromatography on packed column.
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释义
采用PEG-20M和Chromosorb WAW DMCS栽体组成的固定相;在填充拄上分离了3;5-二甲基苯 胺及其异构体杂质.
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