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A manual of toxicological analysis. Lyons, Robert Edward. 
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CHART OF
SPECTRUM SCALES
MADE FROM THE
BRADLEY COLORED PAPERS.

[View Figure]

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A MANUAL
OF
TOXICOLOGICAL ANALYSIS,

BY

ROBERT EDWARD LYONS, AND LOUIS SHERMAN DAVIS,
Ph. D. (Heidclbcrg) Ph. D. (Marburg a. L.)
Professor of Chemistry. Associate Prof. of Chemistry.

IN THE
INDIANA UNIVERSITY.

ANDERSON, IND.
MORNING HERALD PRINT.
1899.

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Copyrighted by
R. E. LYONS & L. S. DAVIS.
1899.

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PREFACE.

It has been our purpose to prepare a manual of systematic an analysis, both qualitative and quantitative, of the common, easily accessible, poisonous compounds. It has seemed advisable to refer all descriptions of color to a standard of comparison, since the interpretation and descriptions of the primary colors, as well as their tints and shades, is so largely influenced by t:he personality of the observer. Such color descriptions are misleading and difficult to interpret. In refering to the spectrum-chart it must be borne in mind that the intensity of color obtained in the reaction is determined, by the amount of substance used.

It has been assumed that the operator has had considerable training in qualitative and quantitative analysis. He must use his judgment as to the applicability of specific methods to the conditions under which he is working.

The methods and descriptions here given should be supplemented by reference to the larger descriptive works on toxicology and materia medica, e. g.:

  • (1) Lehrbuch der Intoxicationen, Dr. R. Kobert.
  • (2) Materia Medica, and Therapeutics, .J. V. Shoemaker.
  • (3) Poisons, Their Effects and Detection, A. W. Blythe.

Reference has been made to Lyons and Davis' Manual of Qualitative Analysis for the more elaborative investigation of certain mineral poisons.

THE AUTHORS.

Indiana University, January, 1899.

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Table of Contents.

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APPENDIX:

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