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H. P. TALBOT, Ph. D., Consulting EDITOR

METALLURGICAL ANALYSIS

INTERNATIONAL CHEMICAL SERIES (H. P. Talbot, Ph.D., Sc.D., CONSULTING EDITOR)

Bancroft
APPLIED COLLOID CHEM-

ISTRY
Bingham

PLUIDITY AND PLASTICITY Cady

INORGANIC CHEMISTRY Cady

GENERAL CHEMISTRY Griffin TECHNICAL METHODS OF ANALYSIS As Employed in the Labora

tories of Arthur D. Little, Inc. Hall and Williams CHEMICAL AND METALLOGRAPHIC EXAMINATION OF IRON, STEEL AND

BRASS Hamilton and SimpsonCALCULATIONS OF OUAN

TITATIVE CHEMICAL

ANALYSIS Loeb PROTEINS AND THE

THEORY OF COLLOIDAL

BEHAVIOR
Lord and Demorest-
METALLURGICAL ANALY.

SIS
Fifth Edition
Mahin-

QUANTITATIVE ANALYSIS
Third Edition
Mahin and Carr-
QUANTITATIVE AGRICUL-

TURAL ANALYSIS Millard, PHYSICAL CHEMISTRY FOR

COLLEGES

Moore

HISTORY OF CHEMISTRY Norris TEXTBOOK OF INORGANIC CHEMISTRY FOR COL

LEGES Norris and MarkLABORATORY EXERCISES IN INORGANIC CHEMIS

TRY Norris

ORGANIC CHEMISTRY Second Edition Norris EXPERIMENTAL ORGANIC

CHEMISTRY Second Edition Parr ANALYSIS OF FUEL, GAS,

WATER AND LUBRICANTS Third Edition RobinsonTHE ELEMENTS OF FRAC.

TIONAL DISTILLATION White TECHNICAL GAS AND FUEL

ANALYSIS Second Edition William :PRINCIPLES OF METALLO

GRAPHY
Woodman-

FOOD ANALYSIS
Second Edition
Long and Anderson-

CHEMICAL CALCULATIONS
Bogue-
THE THEORY AND APPLI-
CATION OF COLLOIDAL

BEHAVIOR Two Volumes

ANALYSIS

BY
NATHANIEL WRIGHT LORD, E. M.
Late Professor of Metallurgy and Mineralogy, Ohio State University

AND;
DANA J. DEMOREST, B. Sc. in Chem. Eng.

Professor of Metallurgy, Ohio State University

FIFTH EDITION

MCGRAW-HILL BOOK COMPANY, INC.
NEW YORK: 370 SEVENTH AVENUE
LONDON: 6 & 8 BOUVERIE ST., E. C. 4

COPYRIGHT, 1903, BY
NATHANIEL WRIGHT LORD

COPYRIGHT, 1913, 1916 AND 1924, BY THE

McGraw-Hill Book COMPANY, INC.

PRINTED IN THE UNITED STATES OF AMERICA

THE MAPLE PRESS COMPANY, YORK, PA.

Wanr
12-12-24
11183

PREFACE TO THE FIFTH EDITION The fifth edition of Metallurgical Analysis has been made necessary by the rapid development of control and testing methods in the industrial, and especially the metallurgical, world in the past seven years. The author has been actively engaged during this period in metallurgical testing both as a teacher and as a consulting metallurgist and has been forced to recognize the desirability of a complete revision.

In this revision the old material has been largely rewritten. The chapters on coal calorimetry, gas calorimetry, fire assaying and electrometric titration are entirely new. The chapters on water analysis, analysis of alloy steels and gas analysis have been almost entirely rewritten. Nearly all of the methods described in these and other chapters have been used many times in the author's private laboratory by experienced analysts and in the student laboratories as well. The author feels, therefore, a good deal of confidence in the practical usefulness of this new edition.

The scope of these methods has been enlarged to include insofar as possible all of the chemical analyses which the metallurgical chemist is likely to require except those of paint. The earlier editions of this book have been widely used in the works' laboratories and in college metallurgical laboratories where a bulky text is not altogether desirable. For this reason explanatory matter concerning the fundamental principles of analytical chemistry, use and care of balances, calibration of instruments and the principles and methods of stoichiometry is not included in the text. A statement of a few of the fundamental principles is, however, given on page xii for convenience reference.

The author wishes to express his appreciation of the help received from his brother, F. M. Demorest, through whose careful and accurate analytical work so many of the methods described in this book have been tested.

D. J. DEMOREST. June, 1924.

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