Quantitative Determination of ABS from Mixture of Anionic and Nonionic Detergents by NMR

NMR을 이용한 음이온 및 비이온세제의 혼합물로부터 ABS의 정량

  • Koang-Hoon Choe (Pacific Chemical Co. Institute of Research and Technology) ;
  • Sun-Ja Kwon (Department of Chemistry, Kyung Hee University)
  • 최광훈 (태평양화학기술 연구소) ;
  • 권순자 (경희대학교 문리대학 화학과)
  • Published : 1983.12.20

Abstract

Amounts of alkylbenzene sulfonate (ABS) in the mixtures of anionic and nonionic detergents were determined by nuclear magnetic resonance (NMR) method. In the NMR spectrum of anionic and nonionic detergents, benzene group showed peaks overlapping at 6.5∼8ppm, but after sampling, benzene group showed two doublet at 7∼8ppm. Calibration curve was obtained by relative ratio of area for benzene group in anionic detergent to that for methyl group in acetic acid(acetic acid was used as the internal standard).

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