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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. 3 — Mar. 10, 2005
  • pp: 149–151

Light extinction method for solubility measurement

Shui Wang, Jingkang Wang, Qiuxiang Yin, and Yongli Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue 3, pp. 149-151 (2005)

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A novel measurement method for chemical solubility determination is brought forward, in which the advantages of two kinds of traditional methods are united. The results show that the concentration of unsolved particles suspending in the solution can be determined by measuring I/I0 (ratio of the transmission intensity to the incident intensity) of the laser beam permeating through the solution according to Lamben-Beer law. The biggest relative deviation for the solubility data determined is less than 1.5% for the sparingly soluble substances and 0.3% for the opulently soluble substances. By comparison of the experimental solubility data with previous data, the light extinction method is demonstrated to be stable and reliable.

© 2005 Chinese Optics Letters

OCIS Codes
(040.1880) Detectors : Detection
(140.3450) Lasers and laser optics : Laser-induced chemistry

Shui Wang, Jingkang Wang, Qiuxiang Yin, and Yongli Wang, "Light extinction method for solubility measurement," Chin. Opt. Lett. 3, 149-151 (2005)

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  1. R. Mohan, H. Lorenz, and A. S. Myerson, Ind. Eng. Chem. Res. 41, 4854 (2002).
  2. P. W. Atkins, Physical Chemistry (Oxford Univ. Press, Oxford, 1990) p.502.
  3. H. Stephen and T. Stephen, Solubility of Inorganic and Organic Compounds (Vol. 1, Part 1) (Pergamon Press, Oxford, 1963) p.152, p.201.

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