Chem. J. Chinese Universities ›› 1987, Vol. 8 ›› Issue (1): 31.
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Huang Yongnian, Ge Xiaoxin, Wang Yiqing, Qi Deyao
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Abstract: The method is based on the reaction of sodium sulfide and formaldehyde with the determined compound in hydrochloric acid solution,forming a purplish-red colour solution. It was measured at λmax515 nm by spectrophotometry.
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Huang Yongnian, Ge Xiaoxin, Wang Yiqing, Qi Deyao. The Spectrometric Determination of p-Aminoazobenzene and Its Chlorides[J]. Chem. J. Chinese Universities, 1987, 8(1): 31.
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