The unfortunate deaths from ethylene anesthesia reported by Sherman and others1 some months ago have caused renewed interest in the chemical purity of ethylene.2 It was decided, therefore, to reexamine the brand of ethylene already described in New and Nonofficial Remedies; namely, that of the Ohio Chemical and Manufacturing Company. As the Kansas City Oxygen Gas Company had just submitted its product to the Council on Pharmacy and Chemistry for consideration, this brand also was examined. Specimens of each brand were obtained from the manufacturer and on the open market. In its work, the Chemical Laboratory secured the collaboration of Dr. W. R. Smith, head of the Department of Chemistry, Lewis Institute, Chicago.
The products were submitted to the tests previously worked out and published in New and Nonofficial Remedies, the important determinations being the reaction of ethylene toward methyl red, the absence of
CHEMICAL EXAMINATION OF ETHYLENE FOR ANESTHESIA: REPORT BY A. M. A. CHEMICAL LABORATORY. JAMA. 1927;88(5):322–323. doi:10.1001/jama.1927.92680310028009a
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