【摘要】 报道了反式４－乙基环己烷甲酸纯度的分析方法。对纯度（质量分数）低于９８％的粗品，采用１３Ｃ核磁共振法（１３ＣＮＭＲ）分析；对纯度大于９８％的精品，可采用差示扫描量热法（ＤＳＣ）分析。更多还原

【Abstract】 Abstract Methods for purity analysis of trans 4 ethylcyclohexanecarboxylic acid are reported in this paper. The samples with purity of >98% and <98% are analyzed by DSC and 13 C NMR methods respectively. Key wrods:\ trans 4 ethylcyclohexanecarboxylic acid, differential scanning calorimetry(DSC), 13 C nuclear magnetic resonance( 13 C NMR), purity analysis更多还原