Abstract
IN the course of investigations into detergency using radioactive isotopes, some interesting observations have been made. The chopped fibre technique1 was used, and the cotton fibre was soiled as described previously2, but with a proportion of the stearic acid replaced by stearic acid-1-14C. The rate of removal of stearic acid from the fibre after washing with different detergent solutions for various times was measured by the residual activity of the fibre compared with the initial activity of the unwashed fibre. The fibre was made into smooth pads and activities were determined by an end-window counter.
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References
Powney, J., and Feuell, A. J., Research, 2, 331 (1949).
Wagg, R. E., J. Textile Inst., 43, T515 (1952).
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WAGG, R., BRITT, C. Dirt Removal from Cotton. Nature 180, 48 (1957). https://doi.org/10.1038/180048a0
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DOI: https://doi.org/10.1038/180048a0
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