Excerpt from Copper as an Algicide and Disinfectant in Water Supplies In view Of this fact the quantities Of copper sulphate which are required to destroy the different polluting forms are m'uch less than those formerly considered necessary. Many Of the concentrations in the following revised table have been Obtained by actual use in reser voirs under natural conditions. The remainder have been determined by analogy, and Only on theoretical grounds can they be presumed to be correct. It will be seen that there is ...
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Excerpt from Copper as an Algicide and Disinfectant in Water Supplies In view Of this fact the quantities Of copper sulphate which are required to destroy the different polluting forms are m'uch less than those formerly considered necessary. Many Of the concentrations in the following revised table have been Obtained by actual use in reser voirs under natural conditions. The remainder have been determined by analogy, and Only on theoretical grounds can they be presumed to be correct. It will be seen that there is absolutely no possibility Of correlating the effects Of copper upon related forms with the idea Of formulating a rule for general use. Even species Of the same genus Often Show a greater variation in their susceptibility to copper than is found in widely separated genera, and the necessity Of knowing the specific form caus ing the difficulty becomes more and more evident as experience with the effect Of copper upon algae is accumulated. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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