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Gelegentlich der im Institut fur anorganische Chemie ab: gehaltenen
Kurse der Gasanalyse machte sich das Bedurfnis geltend, den
Studenten eine Anleitung an die Hand zu geben, in welcher die
wichtigsten Methoden der technischen Gasanalyse genugend
ausfuhrlich beschrieben sind, in der aber gleichzeitig in nachdruck
licher Weise auf die Fehlerquellen und ihren Einfluss auf die Er
gebnisse hingewiesen wird. Die vorliegende kleine Anleitung soll
diesem Bedurfnisse entgegenkommen. In Anbetracht der recht
unnotigen Umwege, die vielfach noch bei gasvolumetrischen
Rechnungen gemacht werden, ist im all gemeinen Teil auf diesen
Gegenstand kurz eingegangen. Eine histo rische Einleitung wird
vielleicht das Interesse an der Gasanalyse erhohen. Der Stoff ist
so bemessen, dass samtliche hier berucksichtigten Methoden in etwa
14 Tagen erlernt sein konnen. Gottingen, im Juni 1920. Die
Verfasser. Inhaltsverzeichnis. Seite Einleitung. . . . . . . . . .
. . . . . . 1 I. Allgemeines uber technische Gasanalyse . . . . 3
H. Allgemeines uber Messungen und Fehlerquellen. 4 A. Die
Durchschnittsprobe . . . . . . . . . . 4 B. Die Reduktion auf 0 und
760 mm Quecksilberdruck . 5 C. Der Einfluss der Feuchtigkeit . . .
. . . . . . . . 6 D. Der Einfluss der Temperatur und des Druckes 7
E. Der Einfluss der Absorption durch die Sperrflussigkeit 9 F.
Gasvolumetrische Rechnungen 10 IH. Spezieller Teil. . . . . . . . .
. . . . 14 A. Gasanalyse. . . . . . . . . . . . . 14 1. Gasanalyse
durch direkte Volumenbestimmung 14 a) Die Methode von Hempel. . . .
. . . . 14 a. Beschreibung der Hempelschen Gasburette und
Absorptionspipette. Einfuhrung in den Gebrauch dieser Apparatur . .
. . . . . . . . . . . . . 14 ss. Das Uberfuhren eines abgemessenen
Gasvolumens aus der Hempelschen Burette in die Absorptio- pipette .
. . . . . . . . . . . . . . 21 y. Bestimmung des Sauerstoffgehaltes
in der at- spharischen Luft . . . . . . . . . . ."
Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer
Book Archives mit Publikationen, die seit den Anfangen des Verlags
von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv
Quellen fur die historische wie auch die disziplingeschichtliche
Forschung zur Verfugung, die jeweils im historischen Kontext
betrachtet werden mussen. Dieser Titel erschien in der Zeit vor
1945 und wird daher in seiner zeittypischen politisch-ideologischen
Ausrichtung vom Verlag nicht beworben.
This scarce antiquarian book is a selection from Kessinger
Publishing's Legacy Reprint Series. Due to its age, it may contain
imperfections such as marks, notations, marginalia and flawed
pages. Because we believe this work is culturally important, we
have made it available as part of our commitment to protecting,
preserving, and promoting the world's literature. Kessinger
Publishing is the place to find hundreds of thousands of rare and
hard-to-find books with something of interest for everyone!
This scarce antiquarian book is a selection from Kessinger
Publishing's Legacy Reprint Series. Due to its age, it may contain
imperfections such as marks, notations, marginalia and flawed
pages. Because we believe this work is culturally important, we
have made it available as part of our commitment to protecting,
preserving, and promoting the world's literature. Kessinger
Publishing is the place to find hundreds of thousands of rare and
hard-to-find books with something of interest for everyone!
Text extracted from opening pages of book: COLLOIDS AND TOT
ULTRAMICROSGOPE A MANUAL OF Colloid Chemistry and Ultramicroscopy
BT DR RICHARD ZSIGMONDY Professor of Inorganic Chemistry in the
university of Gdttingen AUTHORIZED TRANSLATION BY JEROME ALEXANDER,
M. Sc. FIRST SECOND THOUSAND NEW YORK JOHN WILEY & SONS,
LONDON: CHAPMAN & HALL, LIMITED 1914 Copyright, IP BT JEROME
ALEXANDER BRAUNWORTM A CO. BOOK MANUFACTURERS IKL. VN, N. V.
PREFACE TO THE ENGLISH EDITION THE expectation that this book would
arouse the interest of a wider circle has been agreeably fulfilled.
I am glad to be able to' state that Mr. Jerome Alexander, of New
York, has undertaken to translate the book because of interest in
its contents, and has carried out the work carefully and
conscientiously. I have myself read over the whole translation and
found it in excellent accord with the original text. In so far as
concerns the experimental basis for answer ing' the fundamental
questions of Colloid Chemistry, there is but little to be added to
the German edition. In but few places has it become necessary to
amplify the statements and extend the text because of later
publications. . May the English edition receive the same friendly
reception, as the German edition. R. ZSIGMONDY. GOTTINGEN, November
14, 1908. iii TRANSLATOR'S PREFACE AFTER discussing the basic
principles governing the colloidal condition, and the
classification of colloids, and reviewing the most important work
already done in this field, the author describes the development (
upon the principle originally conceived by himself) of the
ultramicroscope, which carries our range of vision well towards
molecular dimensions; and he furthermore gives a detailedaccount of
his own valuable pioneer researches with the new instrument. Giving
as it does an actual insight into a sphere here tofore beyond the
range of direct observation, the ultra microscope has proven to be
a powerful weapon with which to attack numerous problems
confronting the chemist, the physicist, and the biologist; and it
will be of special value in deciding many mooted questions in
theoretical and in technical colloid chemistry. As the far-reaching
ramifications of colloid chemistry are better understood, its
importance and the applicability of its principles to a great
variety of industrial problems, become more and more evident. There
might, for ex ample, be mentioned agriculture, tanning, dyeing;
rubber, cement, ceramics; soaps, photography, sugar in fact, almost
every industry is directly or indirectly involved. Professor
Zsigmondy's work will, therefore, be of vital interest not only to
scientists concerned with theoretical Vi TRANSLATOR'S PREFACE
questions, but also to chemists, engineers, and others controlling
technical processes. To physiological chemists and physicians it is
indispensible. I must express my sincere thanks to Prof. Zsigmondy
and also to Alexander D. Ross, M. A., B. Se, ( lecturer on Natural
Philosophy in the University of Glasgow), both of whom read over
the original manuscript of the translation and made valuable
suggestions. In the English edition besides some additions to the
text, there are included two beautiful colored plates originally
pub lished in Professor Zsigmondy 's paper on Colloid Chemistry/'
JEROME ALEXANDER. NEW YORK, February 24, 1909. PREFACE TO THE
GERMAN EDITION SOME of the conclusions and observations herein set
forth wereoriginally intended for the Zeitschrift fur physikalische
Chemie; however, as the method of render ing visible
ultramicroscopic particles which were developed by Siedentopf and
myself, has awakened the interest of a larger circle, I have
decided to m ke readily accessible to the representatives of other
branches of science the results of my ultramicroscopic
investigation of fluids, and the experiments associated therewith;
all the more so because they may be of some use to other workers in
the same field. Another reason that led me to take this step was
the fact that
Text extracted from opening pages of book: COLLOIDS AND TOT
ULTRAMICROSGOPE A MANUAL OF Colloid Chemistry and Ultramicroscopy
BT DR RICHARD ZSIGMONDY Professor of Inorganic Chemistry in the
university of Gdttingen AUTHORIZED TRANSLATION BY JEROME ALEXANDER,
M. Sc. FIRST SECOND THOUSAND NEW YORK JOHN WILEY & SONS,
LONDON: CHAPMAN & HALL, LIMITED 1914 Copyright, IP BT JEROME
ALEXANDER BRAUNWORTM A CO. BOOK MANUFACTURERS IKL. VN, N. V.
PREFACE TO THE ENGLISH EDITION THE expectation that this book would
arouse the interest of a wider circle has been agreeably fulfilled.
I am glad to be able to' state that Mr. Jerome Alexander, of New
York, has undertaken to translate the book because of interest in
its contents, and has carried out the work carefully and
conscientiously. I have myself read over the whole translation and
found it in excellent accord with the original text. In so far as
concerns the experimental basis for answer ing' the fundamental
questions of Colloid Chemistry, there is but little to be added to
the German edition. In but few places has it become necessary to
amplify the statements and extend the text because of later
publications. . May the English edition receive the same friendly
reception, as the German edition. R. ZSIGMONDY. GOTTINGEN, November
14, 1908. iii TRANSLATOR'S PREFACE AFTER discussing the basic
principles governing the colloidal condition, and the
classification of colloids, and reviewing the most important work
already done in this field, the author describes the development (
upon the principle originally conceived by himself) of the
ultramicroscope, which carries our range of vision well towards
molecular dimensions; and he furthermore gives a detailedaccount of
his own valuable pioneer researches with the new instrument. Giving
as it does an actual insight into a sphere here tofore beyond the
range of direct observation, the ultra microscope has proven to be
a powerful weapon with which to attack numerous problems
confronting the chemist, the physicist, and the biologist; and it
will be of special value in deciding many mooted questions in
theoretical and in technical colloid chemistry. As the far-reaching
ramifications of colloid chemistry are better understood, its
importance and the applicability of its principles to a great
variety of industrial problems, become more and more evident. There
might, for ex ample, be mentioned agriculture, tanning, dyeing;
rubber, cement, ceramics; soaps, photography, sugar in fact, almost
every industry is directly or indirectly involved. Professor
Zsigmondy's work will, therefore, be of vital interest not only to
scientists concerned with theoretical Vi TRANSLATOR'S PREFACE
questions, but also to chemists, engineers, and others controlling
technical processes. To physiological chemists and physicians it is
indispensible. I must express my sincere thanks to Prof. Zsigmondy
and also to Alexander D. Ross, M. A., B. Se, ( lecturer on Natural
Philosophy in the University of Glasgow), both of whom read over
the original manuscript of the translation and made valuable
suggestions. In the English edition besides some additions to the
text, there are included two beautiful colored plates originally
pub lished in Professor Zsigmondy 's paper on Colloid Chemistry/'
JEROME ALEXANDER. NEW YORK, February 24, 1909. PREFACE TO THE
GERMAN EDITION SOME of the conclusions and observations herein set
forth wereoriginally intended for the Zeitschrift fur physikalische
Chemie; however, as the method of render ing visible
ultramicroscopic particles which were developed by Siedentopf and
myself, has awakened the interest of a larger circle, I have
decided to m ke readily accessible to the representatives of other
branches of science the results of my ultramicroscopic
investigation of fluids, and the experiments associated therewith;
all the more so because they may be of some use to other workers in
the same field. Another reason that led me to take this step was
the fact that
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