The Chemical Examination of Water, Sewage, Foods, and Other Substances, by J. E. Purvis and T. R. Ho (Hardcover) (ISBN-13: 9781019851968)

This book is a guide to the chemical analysis of various substances, including water, sewage, and food. It provides detailed instructions on how to carry out different chemical tests and interpret the results.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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