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2010•Journal of Analytical ScienceRequires access

Study on the Colour Reaction of Cationic Surfactant with a New Reagent 4,4′-bis[3-(4-phenylthiazol-2-yl)triazenyl]biphenyl

HE Xiao-ling

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Abstract

The colour reactions of N-cetylpyridiniu bromine(CPB)and cetyltrimethylammonium bromide (CTMAB)with 4,4′-bis[3-(4-phenylthiazol-2-yl)triazenyl]biphenyl(BPTTBP)have been studied.The results showed that,in the medium of NaOH solution,CPB or CTMAB reacted with BPTTBP to form purple ion pair complex with the mole ratio 1∶1respectively.The maximum absorption of two complexes was 607nm with molar absorption coefficients of 2.46×104 L·mol-1·cm-1 and 1.82×104 L·mol-1· cm-1 accordingly.Beer’s law was obeyed for CPB and CTMAB in the concentration range of 0～1.0× 10-5 mol·L-1.The method was applied in the determination of CPB and CTMAB in waste water sample.

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What this paper is about

The colour reactions of N-cetylpyridiniu bromine(CPB)and cetyltrimethylammonium bromide (CTMAB)with 4,4′-bis[3-(4-phenylthiazol-2-yl)triazenyl]biphenyl(BPTTBP)have been studied.The results showed that,in the medium of NaOH solution,CPB or CTMAB reacted with BPTTBP to form purple ion pair complex with the mole ratio 1∶1respectively.The maximum absorption of two complexes was 607nm with molar absorption coefficients of 2.46×104 L·mol-1·cm-1 and 1.82×104 L·mol-1· cm-1 accordingly.Beer’s law was obeyed for CPB and CTMAB in the concentration range of 0～1.0× 10-5 mol·L-1.The method was applied in the determination of CPB and CTMAB in waste water sample.

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Available abstract

The colour reactions of N-cetylpyridiniu bromine(CPB)and cetyltrimethylammonium bromide (CTMAB)with 4,4′-bis[3-(4-phenylthiazol-2-yl)triazenyl]biphenyl(BPTTBP)have been studied.The results showed that,in the medium of NaOH solution,CPB or CTMAB reacted with BPTTBP to form purple ion pair complex with the mole ratio 1∶1respectively.The maximum absorption of two complexes was 607nm with molar absorption coefficients of 2.46×104 L·mol-1·cm-1 and 1.82×104 L·mol-1· cm-1 accordingly.Beer’s law was obeyed for CPB and CTMAB in the concentration range of 0～1.0× 10-5 mol·L-1.The method was applied in the determination of CPB and CTMAB in waste water sample.

Key concepts: Chemistry, Reagent, Bromide, Biphenyl, Cationic polymerization, Bromine, Pulmonary surfactant, Absorption (acoustics)

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Study on the Colour Reaction of Cationic Surfactant with a New Reagent 4,4′-bis[3-(4-phenylthiazol-2-yl)triazenyl]biphenyl — Research Paper | ScholarLens