Chapters

Details

Language

en

Duration

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Publisher of text edition

Project Gutenberg

Credits

Produced by Richard Tonsing and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

Release date

2020-02-20

Rights

Public domain in the USA.

About the authors

AP

American Public Health Association. Laboratory Section

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AC

American Chemical Society

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AO

Association of Official Agricultural Chemists (U.S.)

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