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Volume 27 Issue 6
Jun.  2001
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Journal of Beijing University of Aeronautics and Astronautics  > 2001  >  27(6): 725-728.
QIAN Jian-gang, LI Di, GUO Bao-lanet al. Quantitative Analysis of Surfactant in the Degreasing Solution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(6): 725-728. (in Chinese)
Citation: QIAN Jian-gang, LI Di, GUO Bao-lanet al. Quantitative Analysis of Surfactant in the Degreasing Solution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(6): 725-728. (in Chinese)
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Quantitative Analysis of Surfactant in the Degreasing Solution

  • Beijing University of Aeronautics and Astronautics, Dept. of Materials Science and Engineering

  • Received Date: 05 Apr 2000
  • Publish Date: 30 Jun 2001
    Abstract
  • Aliphatic alcohol polyoxyethylene ether(OS-15,a nonionic surfactant) and sodium dodecyl benzene sulfonate(SDBS,an anionic surfactant) in the degreasing solution were analyzed quantitatively by the method of sodium tetraphenylborate recoil titration and ultraviolet spectroscopy respectively.It is showed that sodium phosphate, sodium silicate and SDBS in the degreasing solution have no effect on the analytical result of OS-15. Sodium phosphate, sodium silicate and OS-15 have little effect on the analytical result of SDBS.Sodium stearate and sodium palmitate produced by the reaction of saponifiable oil and alkali of degreasing solution were removed by filtration. Non-saponifiable oil were removed by centrifugalization.

     

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