Paper Title:
Spectrophotometric Determination of Trace Cetyltrimethyl Ammonium Bromide by Nanosilver
  Abstract

The decolored reaction between cetyltrimethyl ammonium bromide (CTMAB) and nanosilver was studied, and a simple, rapid spectrophotometric method was established to determine CTMAB. In pH 7.8 Na2HPO4-NaH2PO4 buffer solution, nanosilver exhibited a maximum absorption peak at 395 nm, and it reacted with CTMAB to form larger particles that resulted in the absorption decreasing. Under the chosen conditions, the decreased absorbance was linear to the CTMAB concentration in the range of 2.5×10-7-1.0×10-5mol/L, with the regression equation of ΔA395 = 0.0431C CTMAB + 0.0182, the correlation coefficient of 0.9968 and the detection limit of 0.21μmol/L CTMAB. The proposed method was applied to detect CTMAB in water samples, with simplicity, rapidity and accuracy.

  Info
Periodical
Advanced Materials Research (Volumes 356-360)
Chapter
Chapter 5: Environmental Analysis and Monitoring
Edited by
Hexing Li, Qunjie Xu and Daquan Zhang
Pages
920-923
DOI
10.4028/www.scientific.net/AMR.356-360.920
Citation
G. Q. Wen, Y. M. Ma, Z. L. Jiang, "Spectrophotometric Determination of Trace Cetyltrimethyl Ammonium Bromide by Nanosilver", Advanced Materials Research, Vols. 356-360, pp. 920-923, 2012
Online since
October 2011
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Price
$32.00
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