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Determination of Cationic Surfactant by Laser Thermal Lens Spectrometry 被引量:1
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作者 Hong Tao YAN Ying ZHANG Yang YAN 《Chinese Chemical Letters》 SCIE CAS CSCD 2002年第11期1107-1110,共4页
A novel method for the determination of cationic surfactant by laser thermal lens spectrometry was developed. It was based on the reaction between 1-hydroxy-2-(5-nitro-2-Pyri- dylazo)-8-aminonaphthalene-3,6-disulfoni... A novel method for the determination of cationic surfactant by laser thermal lens spectrometry was developed. It was based on the reaction between 1-hydroxy-2-(5-nitro-2-Pyri- dylazo)-8-aminonaphthalene-3,6-disulfonic acid (5-NO2-PAH) and cationic surfactant to form 1:2 ionic association complex in a weakly basic medium (pH 9.44). The determination conditions and the mechanism were discussed. The method has been applied to the analysis of wastewater and moat water samples. 展开更多
关键词 Determination of cationic surfactant cetylpyridinium bromide (CPB) cetyltri- methyl-ammonium bromide (CTMAB) 1-hydroxy-2-(5-nitro-2-pyridylazo)-8-aminonaphthalene- 3 6-disulfonic acid (5-NO2-PAHA) laser thermal lens spectrometry.
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