[Study on qualitative analysis method of high performance liquid chromatography by simultaneous multi-wavelength detection].
In this paper, we introduce an HPLC qualitative method, that is, multiwavelength detection qualitative analysis method. According to Beer's law, for a certain compounds the ratio of peak areas at different wavelengths is a constant. Comparing the ratio of peak areas of a component at different wavelengths with that of the standard by means of simultaneous multi-wavelength detection, we established a convenient qualitative method. This method has been applied successfully to qualitative analysis of 18 aromatic amines in the prohibited azo dyes.
Chen
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X
Zhejiang Imp & Exp Commodity Inspection Bureau, Hangzhou, 310012.
Zheng
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Shi
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X
D001560:Benzidines / Q000032:analysis / Q000302:isolation & purification; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D010647:Phenyl Ethers / Q000032:analysis / Q000302:isolation & purification; D010655:Phenylenediamines / Q000032:analysis / Q000302:isolation & purification; D013056:Spectrophotometry, Ultraviolet
D001560:Benzidines; D010647:Phenyl Ethers; D010655:Phenylenediamines; C015126:di-(4-aminophenyl)ether; C029876:benzidine; C007294:4-methoxy-3-phenylenediamine