Excerpt from The Comparative Value of Different Specimens of Iodine for Use in Chemical Measurements: Dissertation This paper1 gives the results of experiments in which iodine as ordinarily prepared as a standard in volumetric analysis was compared with iodine of atomic weight purity, the medium of comparison being a sodium thio sulfate solution.
Papers of a similar sort that were found are by Gross2 and Meineke.3 Gross' paper is very brief and contains none of the original data. Meineke, on the other hand, prepared a number of specimens of iodine by different methods and through the medium of a thiosulfate solution compared them with an iodine purified by the method of Stas. His technique, however.
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