Molybdenum - A Toxicological Appraisal PDF Download

Author: Lars Friberg
Publisher:
ISBN:
Category : Molybdenum
Languages : en
Pages : 152

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Author: E.R. Braithwaite
Publisher: Elsevier
ISBN: 1483290891
Category : Science
Languages : en
Pages : 681

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Book Description
Molybdenum is an element with an extremely rich and interesting chemistry having very versatile applications in various fields of human activity. It is used extensively in metallurgical applications. Because of their anti-wear properties, molybdenum compounds find wide applications as lubricants - particularly in extreme or hostile environmental situations. Many molybdates and heteropolymolybdates are white and therefore used as pigments. In addition, they are non-toxic and act as efficient corrosion inhibitors and smoke suppressants. Hydroprocessing of petroleum is one of the largest industries employing heterogeneous catalysts. Molybdenum catalysts have shown great promise in the liquefaction of coal and this may develop into one of its most important catalytic uses. The use of molybdenum compounds in homogeneous catalysis is also significant. Three important classes of molybdenum compounds in the solid state are reviewed, viz., oxides, sulphides and halides. The role of molybdenum in inorganic catalysis and enzymes receives prominent mention because of their impact on the progress of science and technology. Further biochemical and enzymic factors are discussed in separate chapters and their reaction to agriculture and animal husbandry. A new classification of covalent compounds which abandons the traditional oxidation state concept allows a powerful approach to the organisation of the complex and rich chemistry of molybdenum. Dramatic colour diagrams of abundances of molybdenum compounds provide broad insights into the important features and trends in the chemistry of molybdenum including reactivity and mechanism. The book is intended for use mainly as a research monograph by the many workers who may encounter molybdenum chemistry or who are looking for its application and potential uses in different technological fields. However, it will also serve as an advanced text for university lecturers and postgraduate students interested in inorganic, physical and industrial chemistry, chemical technology or biochemistry and biotechnology.

Author: Chris M. Wood
Publisher: Academic Press
ISBN: 0123786363
Category : Electronic books
Languages : en
Pages : 524

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Homeostasis and Toxicology of Essential Metals synthesizes the explosion of new information on the molecular, cellular, and organismal handling of metals in fish in the past 15 years. These elements are no longer viewed by fish physiologists as "heavy metals" that kill fish by suffocation, but rather as interesting moieties that enter and leave fish by specific pathways, which are subject to physiological regulation. The metals featured in this volume are those about which there has been most public and scientific concern, and therefore are those most widely studied by fish researchers. Metals such as Cu, Zn, Fe, Ni, Co, Se, Mo and Cr are either proven to be or are strongly suspected to be essential in trace amounts, yet are toxic in higher doses.

Author:
Publisher:
ISBN:
Category : Radioactive waste disposal
Languages : en
Pages : 600

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 320

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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1814

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 288

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Author:
Publisher: Academic Press
ISBN: 0123786371
Category : Science
Languages : en
Pages : 524

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Book Description
Homeostasis and Toxicology of Essential Metals synthesizes the explosion of new information on the molecular, cellular, and organismal handling of metals in fish in the past 15 years. These elements are no longer viewed by fish physiologists as "heavy metals" that kill fish by suffocation, but rather as interesting moieties that enter and leave fish by specific pathways, which are subject to physiological regulation. The metals featured in this volume are those about which there has been most public and scientific concern, and therefore are those most widely studied by fish researchers. Metals such as Cu, Zn, Fe, Ni, Co, Se, Mo and Cr are either proven to be or are strongly suspected to be essential in trace amounts, yet are toxic in higher doses. The companion volume, Homeostasis and Toxicology of Non-Essential Metals, Volume 31B, covers metals that have no known nutritive function in fish at present, but which are toxic at fairly low levels, such as Ag, Al, Cd, Pb, Hg, As, Sr, and U. In addition, three chapters in Volumes 31A and 31B on Basic Principles (Chapter 1, 31A), Field Studies and Ecological Integration (Chapter 9, 31A) and Modeling the Physiology and Toxicology of Metals (Chapter 9, 31B) act as integrative summaries and make these two volumes a vital set for readers. - All major essential metals of interest are covered in metal-specific chapters - Each metal-specific chapter is written by fish physiologists/toxicologists who are recognized authorities for that metal - A common format is featured throughout this two volume edition

Author: Raymond D. Harbison
Publisher: John Wiley & Sons
ISBN: 1118834216
Category : Science
Languages : en
Pages : 1368

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Providing a concise, yet comprehensive, reference on all aspectsof industrial exposures and toxicants; this book aidstoxicologists, industrial hygienists, and occupational physiciansto investigate workplace health problems. • Updates and expands coverage with new chapterscovering regulatory toxicology, toxicity testing, physical hazards,high production volume (HPV) chemicals, and workplace druguse • Includes information on occupational and environmentalsources of exposure, mammalian toxicology, industrial hygiene,medical management and ecotoxicology • Retains a succinct chapter format that has become thehallmark for the previous editions • Distils a vast amount of information into one resourcefor both academics and professionals

Author: United States. Environmental Protection Agency. Office of Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 520

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