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采用高效液相色谱法对纺织品禁用芳香胺对氯苯胺及其同分异构体的鉴别进行了研究。以Inertsil ODS-SP C18(5μm 4.6×250 mm)为色谱柱,甲醇-KH2PO4为流动相进行等度洗脱,检测波长233 nm。该方法简便快捷,有效地解决了纺织品禁用偶氮染料中对氯苯胺假阳性的测试问题。
The identification of chloroaniline and its isomers by aromatic amines banned in textiles by high performance liquid chromatography was studied. Inertsil ODS-SP C18 (5μm 4.6 × 250 mm) column, methanol-KH2PO4 as the mobile phase for isocratic elution, detection wavelength 233 nm. The method is simple and quick and effectively solves the test problem of the false positive of chloroaniline in textile banned azo dyes.