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Article
September 29, 1917

SIMPLIFIED METHOD FOR THE PREPARATION OF CARREL-DAKIN SOLUTION

Author Affiliations

PHILADELPHIA

JAMA. 1917;LXIX(13):1075. doi:10.1001/jama.1917.02590400035013

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Abstract

The preparation of neutral solution of chlorinated soda by the process described by Carrel and Dakin requires more or less chemical skill and equipment. With the proposed process nearly any one can prepare the solution without the use of chemical apparatus and within ten or fifteen minutes.

The materials and process for preparing the solution are:

  1. Chlorinated soda solution, which should contain from 2.8 to 2.9 per cent. of available chlorin.

  2. An approximately 5 per cent, aqueous solution of sodium bicarbonate.

  3. Phenolphthalein powder.

Dilute 1 volume of the chlorinated soda solution with 5 volumes of water, add 25 c.c. of the sodium bicarbonate solution for every liter of chlorinated soda, and mix well. Now remove about 20 c.c. of the solution, add to it a small pinch of phenolphthalein, and shake gently for two minutes. If no red color appears, the solution is ready for use. Should a red color

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