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The determination of doubly labeled artificial soil in detergency studies

  • Technical
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Journal of the American Oil Chemists’ Society

Abstract

A liquid scintillation method for the determination of carbon-14 and tritium labeled soil on white fabric has been developed. The method involves the use of an external standard to determine the counting efficiency for each isotope. The requirement that these determinations be made on swatches of fabric complicates the analysis because of their variable antiquenching effect. The method has been appied to cotton, Dacron, nylon, and Dacron/cotton.

A computer program has been written which accepts the raw counting data and performs all necessary calculations, printing out the data in a convenient form. The great convenience of the method has encouraged its application to large scale screening studies without sacrificing the precision, accuracy, or selectivity normally associated with small model systems.

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Authors and Affiliations

  1. Shell Development Company, Emeryville, California

    B. E. Gordon, W. T. Shebs & R. U. Bonnar

Authors
  1. B. E. Gordon
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  2. W. T. Shebs
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  3. R. U. Bonnar
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Gordon, B.E., Shebs, W.T. & Bonnar, R.U. The determination of doubly labeled artificial soil in detergency studies. J Am Oil Chem Soc 44, 711–716 (1967). https://doi.org/10.1007/BF02679639

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  • DOI: https://doi.org/10.1007/BF02679639

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