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Sampling and handling procedures for the polarographic measurement of oxygen in hypolimnetic waters
Author(s) -
DAVISON W.
Publication year - 1977
Publication title -
freshwater biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.297
H-Index - 156
eISSN - 1365-2427
pISSN - 0046-5070
DOI - 10.1111/j.1365-2427.1977.tb01687.x
Subject(s) - hypolimnion , anoxic waters , sampling (signal processing) , environmental science , polarography , contamination , environmental chemistry , oxygen , statistics , ecology , chemistry , eutrophication , biology , computer science , mathematics , inorganic chemistry , organic chemistry , filter (signal processing) , nutrient , computer vision
SUMMARY. A new method for collecting and handling water samples prior to their polarographic measurement is described. Its usefulness has been demonstrated by testing its ability to exclude oxygen from anoxic hypolimnetic samples. The criterion of detection was 15 μg1 −1 of oxygen for the 95% confidence level. Different sampling and different handling procedures were compared, and only one overall method proved to introduce no significant contamination.