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参照德国皮革偶氮染料中间体检测方法，用高效液相色谱法对染色皮革中禁用偶氮染料中间体──18种芳香胺的定性、定量分析进行了研究。结果表明，在一定色谱条件下，除2，4-二氨基苯甲醚和2，4-二氨基甲苯回收率较低外，其它化合物的回收率均达到“DIN53316”方法的要求。
Reference to German leather azo dye intermediates detection method, the banned azo dye intermediates in the dyeing of leather by high performance liquid chromatography ─ ─ qualitative and quantitative analysis of 18 kinds of aromatic amines were studied. The results showed that under the certain chromatographic conditions, the recoveries of all other compounds reached the requirements of “DIN53316” except for the low recoveries of 2,4-diaminoanisole and 2,4-diaminotoluene.