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Book Review Leitfaden der Farbstoffchemie (A Guide to Dyestuffs Chemistry). By P. Rys and H. Zollinger. Chemische Taschenbcher Vol. 13. Edited by W. Foerst and H. Grnewald

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BOOK REVIEWS
Leitfaden der Farbstoffchemie (A Guide to Dyestuffs
Chemistry). By P . Rys and H . Zollinger. Chemische Taschenbiicher Vol. 13. Edited by u! Foerst and H. Griinewald. Verlag Chemie GmbH, Weinheim/Bergstr. 1970.
1st Edit., xi, 220 pp., 16 illustrazions, 16 tables, paperback
DM22.-.
The present book classifiesdyes according to their chromophore systems into azo, nitro and nitroso, polymethine,
aza-[ 18]annulene, di- and triarylcarbonium, sulfur, and
carbonyl dyes. Each group has its own chapter and comprehensive introductions are given.
The more general and theoretical chapters give details of
reaction mechanisms, the relationship between chemical
composition and color, color measurements, and the
thermodynamic and kinetic principles of application.
The text is concise but clear and ample references are given.
The book is a valuable and useful piece of work, based on
the principles of modern organic and physical chemistry.
Udo Mayer
In this connection it should be mentioned that the above
approach has already found expression in another book,
“Chemie fur Mediziner” (Chemistry for Medical Students)
by K. Beyermann. A similar approach was adopted even
earlier in the brochures on laboratory work for medical
students written by K . Dimroth and C . Mahr or by G. Hartmann and s.Hiinig on the Marburg and Wiirzburg models
respectively. If we go by the criteria that form the basis of
the above concepts of medical training-and these have
for several years proved very successful-then “Dane/
Wille” can no longer meet the requirements for a modern
laboratory manual, in spite of the services it has rendered
in the past.
Theophil Eicher [NB 26 IE]
[NB 25 IE]
KleinesChemischesPraktikum(Small Chemical Laboratory
Manual). By E. Dane and F. Wille.Verlag Chemie GmbH,
Weinheim/Bergstr. 1971.7th Edit., xii, 189 pp., 23 illustrations, paperback, DM 19.80.
Significantly,the student will often refer to much used textbooks or laboratory manuals simply by the names of their
authors. This also applies to “Dane/Wille”, which is now
in its 7th revised edition. In 190pages, this attractive, handy,
and well-produced book deals with about 400 experiments
and explanations, inculcating a basic knowledge of inorganic chemistry. The subject matter is arranged according to classical principles : in the inorganic section according to the periodic system, supplemented by chapters on
atomic structure, chemical bonding, equilibrium, electrolytes, oxidation and reduction, acids and bases, and qualitative and quantitative analysis ;and in the organic section
according to the sequence of compounds by functional
groups (still usual in the majority of basic textbooks),
supplemented by chapters on plastics, chromatography,
qualitative organic analysis, resonance and substitution in
aromatic substances.
When it first appeared (1960)“Dane/Wille” heralded a new
approach for books of this type: its concise presentation
of the subject matter and its description of experiments
pointed a new way to the reform of chemistry teaching for
medical students (the methods used then varied much more
from university to university than they do now).
However, “Dane/Wille” can nowadays really be appreciated only from the historical point of view; as shown by the
new regulations for the certification of doctors, since the
book was first published the modern concept of “concentrating” the subject matter has taken precedence over the
classical principle of “spreading out” the material, because
this is the only way of bringing the teaching of fundamental
physical and chemical principles in the preclinical part of
a medical course into line with the further biochemical,
physiological-chemical, and general practical needs of the
student. Thus, for a practical course it would seem essential
to open up well-defined and specific fields of interest by
246
means of appropriate experimental work and to teach
critical assessment of the results-if possible by further
experiments. This, however, tends to shift the emphasis of
the practical and theoretical teaching of a very wide subject
to an in-depth examination of specific problems.
Gmelin-Durrer:MetallurgiedesEisens (Metallurgy of Iron).
Fourth fully revised edition, continued by G. Tromel.
Supplement to Gmelins Handbuch der anorganischen
Chemie, 8th Edit., System No. 59, “Iron”, Part A, Volumes 3 to 5, Verlag Chemie GmbH, Weinheim/Bergstr.
1968. Volume 2. General Requirements for the Industrial
Reduction of Iron Ores. Raw Materials. The Industrial
Processes Apart from the Blast Furnace, Volume 2 a :
Text Part, vi, 350 pp., Volume 2 b :Figure Part, iv, 188pp.,
452 figures cloth, together DM 492.-.
The present volume concludes the discussion of the raw
materials for the reduction of iron ores and their preparation prior to smelting. The industrial reduction methods
are then discussed, apart from those that are carried out in
the blast furnace. As in the other volumes of the 4th edition,
the text part and the figure part are separate in volume 2,
which was produced with the aid of data from the European Coal and Steel Community.
The first part contains the following sections : PhysicoChemical Principles of the Reduction; Survey of Raw
Material Requirements ; Survey of the Principal Deposits
of Iron and Manganese Ores ; Properties of Iron Ores and
Iron Ore Agglomerates that are Important for the Industrial
Reduction; Survey of the Production of Coal and Lignite
Cokes. The second part contains the sections Reduction in
the Low Shaft Furnace ;Reduction in the Electric Furnace;
The Direct Reduction Processes; The Uses of Pre-Reduced
Materials.
A very comprehensive subject index in German and English
makes it easy to find the various processes.
The literature is evaluated up to, and in some cases beyond,
Spring 1967.
Ekkehard Fluck [NB 29a IE]
Gmelin-Durrer:Metallurgiedes Eisens (Metallurgy of Iron).
Fourth fully revised edition, continued by G. ’Pornel and
W Zischkale. Supplement to Gmelins Handbuch der
anorganischen Chemie. 8th Edit., System No. 59, “Iron”,
Angew. Chem. internat. Edit. / Vol. 11 (1972) / No. 3
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zollinger, foerst, der, leitfaden, grnewald, rys, chemische, taschenbcher, chemistry, book, dyestuffs, guide, edited, farbstoffchemie, vol, review
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