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分析了禁用偶氮染料实际检测中假阳性结果产生的原因,提出以GC/MS和HPLC(质谱联用仪和高效液相色谱仪)互为确证手段的阳性结果的鉴别方法,可有效提高定性结果的准确性,以避免或减少假阳性结果。
The reasons for the false positive results of prohibited azo dyes were analyzed. The identification method of positive results by GC / MS and HPLC (Mass Spectrometer and High Performance Liquid Chromatograph) The accuracy of the results to avoid or reduce false-positive results.