CHEMICAL ANALYSIS OF SWEAT

31 October 1925

journal article
research article
Published by American Medical Association (AMA) in JAMA

Vol. 85 (18) , 1373-1376
https://doi.org/10.1001/jama.1925.02670180029007

Abstract

Previous investigations on the chemical analysis of sweat have been handicapped because of the inability to obtain sufficient quantity, and because, until recent times, chemical methods were inexact. Hence, there are few studies in the literature bearing on this subject. In 1900, Hoelscher,¹made a rather extensive analysis of human sweat, investigating chiefly the nitrogenous elements; as he nowhere mentions his chemical methods, however, the value of his observations is questionable. In 1911, Riggs²made a short study of six normal cases, using more exact chemical methods. Perhaps the most valuable contribution along this line was made by Plaggemeyer and Marshall.³These authors investigated eighteen normal fluids for nitrogenous constituents, comparing the excretory power of the skin with the kidneys. Their results in part are expressed in terms of total nitrogen, whereas it seemed to us more desirable to determine the nonprotein nitrogen, so that a comparison

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