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All Journal JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya
M. Bachri Amran
Jurusan Kimia, FMIPA Universitas Negeri Malang
Biochemistry, Genetics & Molecular Biology

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Optimasi Metode Analisis Injeksi Alir pada Analisis Surfaktan Anionik Hanumi Oktiyani Rusdi; M. Bachri Amran
JC-T (Journal Cis-Trans) : Jurnal Kimia dan Terapannya Vol. 2 No. 1 (2018)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v2i12018p018

Abstract

Surfactant is an active ingredient in the detergent, soap, shampoo and others. Using large numbers ofsurfactant has an impact on environmental contamination, such as water pollution. It is necessary to determinethe concentration of surfactant in contaminated water. Determination of surfactant is generally done withvisible light spectrometry method through the extraction process. However, the extraction process is timeconsuming and requires a number of solvents which cause many of these methods are not effective and efficientin analysis. In this research, the analytical method of anionic surfactant has been developed based on flowinjection analysis using preconcentration techniques with C18 mini-column and detection by visible lightspectrometry. Anionic surfactant (Sodium Dodecyl Sulfate/ SDS) made ion pair formation with cationic dyes(Brilliant Green/ BG) in C18 mini-column. Ion pair can be eluted with organic solvents such as methanolchloroform (1:9). The visible spectrum of BG-SDS ion pair has a maximum absorption at 629 nm. The resultsalso show that BG-SDS ion-pair formed optimum at pH 6. Preliminary analysis showed a linear relationshipbetween SDS concentration variations with ion-pair absorbance value. The increasing concentration of SDScauses the absorbance value increase.
Co-Authors Hanumi Oktiyani Rusdi