Textbook
The Examination of Waters and Water Supplies (Thresh, Beale & Suckling) Sixth Edition
Taylor's contribution consists in the rearrangement of the chapters and in the rewriting of several chapters. It is refreshing to find analytical results being expressed in parts per million, in conformity with American and Continental practice. The value of the test, for Biochemical Oxygen Demand is recognized more adequately. In the chapter on Chlorination, Fair's explanation of the action of chlorine in the light of dissociation of HOC1 at various pH values is discussed. The orthotolidine-arsenic test has been mentioned. The process of producing de-ionized water has been mentioned. The value of microscopic examination of i water in interpretation-of analysis has been dealt, with. The' value of the test for electrical conductivity has been emphasized. The chapters on bacteriological examination and the relation between water and disease have been revised and amplified.
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