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The analytical method development on an anionic surfactant of sodium dodecylbenzenesulfonate (SDBS) in a catfish using spectrophotometer UV-Vis using acridine orange (AO) has been conducted. This research aims to determine the optimum conditions of analysis and to determine validation parameters of sodium dodecylbenzenesulfonate (SDBS) analysis in a catfish.
This study was divided into two steps, isolation of sodium dodecyl benzene sulfonate (SDBS) in the catfish with soxhlet extraction and the analysis of SDBS. The analysis of sodium dodecylbenzenesulfonate (SDBS) is based on the formation of ion pair between dodecylbenzenesulfonate (DBS) and acridine orange (AO).
The results showed that the analysis can be performed at 499 nm, using ethanol as acridine orange (AO) solvent, the mole ratio of dodecylbenzenesulfonate (DBS) acridine orange (AO) 2:1, and pH 2.97. The parameters of validation had good acceptability as linearity (r) 0.998, limit of detection 0.0343 mg/L and limit of quantification 0.104 mg/L, precision 0.382 - 1.78%, sensitivity 4.64 x 10 4 L mol -1cm -1, and accuracy (82.11 - 100.3%). Adak, A., Pal, A., and Bandyopadhyay, M., 2005. Spectrophotometric Determination of Anionic Surfactants in Wastewater using Acridine orange.
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Hydrogen-Bonded Pyridine-Water Complexes Studied by Density Functional Theory and Raman Spectroscopy. Journal of Physical Chemistry A 105, 9983-9989. Sirisattha, S., Momose Y., Kitagawa, E., and Iwahashi, H., 2004.
Toxicity of Anionic Detergents Determined by Saccharomyces cerevisiae Microarray Analysis. Water Research 38, 61-70. Supratman, U., 2010. Elusidasi Struktur Senyawa Organik. Widya Padjajaran. Syarief, W.R., 2007. Analisis Farmasi: Buku Ajar untuk Mahasiswa Farmasi and Praktisi Kimia Farmasi (diterjemahkan dari Watson, D.G., 2005.
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Soil and Water Research 4(6), 198-204.