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PRESERVATION OF WATER SAMPLES BY SALTING

PRESERVATION OF WATER SAMPLES BY SALTING Bacteriologist of the State Hygienic Laboratory, Wisconsitn. ABSTRACT P. Remlinger, Comp. rend. de la Soc. de Biologie, vol. 70, page 64, 1911, suggests a nmethod of inhibiting the growth of bacteria in samples of water during transportation to the Laboratory by the addition of common salt. In his experiments, ten grammes of sodium chloride were added to one hundred cubic centimeters of water. The flasks so prepared were kept at laboratory temperature and estimations made from day to day. His conclusion was that the salting of a sample of water by the addition of ten per cent. by weight of sodium chloride would prevent any fallacy arising in the bacterial count, provided that the examination was made within forty-eight hours of the collection of the sample. The importance of this discovery, if true, is at once apparent. Those of us who are constantly engaged in the examination of water transported over considerable distances, know the difficulties of keeping samples properly iced. If we could send out bottles for collection of samples containing a given amount of sterile common salt, and have the sample returned to us without icing, an enormous amount of trouble would be saved, and our http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Public Health American Public Health Association

PRESERVATION OF WATER SAMPLES BY SALTING

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Publisher
American Public Health Association
Copyright
Copyright © by the American Public Health Association
ISSN
0090-0036
eISSN
1541-0048
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Abstract

Bacteriologist of the State Hygienic Laboratory, Wisconsitn. ABSTRACT P. Remlinger, Comp. rend. de la Soc. de Biologie, vol. 70, page 64, 1911, suggests a nmethod of inhibiting the growth of bacteria in samples of water during transportation to the Laboratory by the addition of common salt. In his experiments, ten grammes of sodium chloride were added to one hundred cubic centimeters of water. The flasks so prepared were kept at laboratory temperature and estimations made from day to day. His conclusion was that the salting of a sample of water by the addition of ten per cent. by weight of sodium chloride would prevent any fallacy arising in the bacterial count, provided that the examination was made within forty-eight hours of the collection of the sample. The importance of this discovery, if true, is at once apparent. Those of us who are constantly engaged in the examination of water transported over considerable distances, know the difficulties of keeping samples properly iced. If we could send out bottles for collection of samples containing a given amount of sterile common salt, and have the sample returned to us without icing, an enormous amount of trouble would be saved, and our

Journal

American Journal of Public Health – American Public Health Association

Published: Feb 1, 1912

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