反相HPLC法测定青霉素V钾中甲醛残留量_医学杂志_健康小常识K210.com 关键词】 甲醛;甲醛衍生物;高效液相色谱法 [gap=1218]Key words】 formaldehyde; formaldehyde derivative; HPLC
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A thermosetting resin made by a condensation reaction of a melamine derivative, trimethylolmelamine, C3N3(NHCH2OH)3, with formaldehyde.
蜜胺衍生物三羟甲基蜜胺C3N3(NHCH2OH)3与甲醛的缩聚反应制得的热固性树脂。
Effect of melamine derivative as pungent odorless formaldehyde donor on bonding properties of adhesive was also described.
文章还介绍了蜜胺衍生物作为无刺激性气味的甲醛给予体对粘接性能的影响。
The chromatographic characteristic in CCl 4 solution was studied. These results showed that this derivative could probably be a kind of standard for the measurement of trace formaldehyde in air.
应用气相色谱研究了其在四氯化碳溶液中的色谱分离分析性质,结果表明,将之作为标准品用于空气中甲醛的分析是可行的。
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