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Selenium: geobotany, biochemistry, toxicity, and nutrition /
Selenium: Geobotany, Biochemistry, Toxicity, and Nutrition focuses on the properties, characteristics, reactions, applications, chemistry, and transformations of selenium. The book first offers information on the geological distribution of selenium, including the formation of seleniferous soils, che...
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Academic Press,
1964.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Selenium: Geobotany, Biochemistry, Toxicity, and Nutrition; Copyright Page; Dedication; PREFACE; Table of Contents; CHAPTER I. HISTORY; REFERENCES; CHAPTER II. GEOLOGICAL DISTRIBUTION OF SELENIUM; ORIGIN OF SELENIUM; STRATIGRAPHIC PRINCIPLES; SELENIFEROUS ROCKS AND MINERALS; THE FORMATION OF SELENIFEROUS SOILS; CHEMICAL FORMS OF SELENIUM IN SOILS; SELENIUM CONTENT OF SOILS; SELENIUM IN SOILS OF OTHER COUNTRIES; SELENIUM IN WATER; SELENIUM ON THE SEA FLOOR AND IN SEA WATER; GEOBOTANY; REFERENCES; CHAPTER III. SELENIUM INDICATOR PLANTS; KEY TO SELENIFEROUS SPECIES OF Astragalus.
- Nonindicator species of astragalussecondary selenium absorbers; identification of indicators by germination tests; selenium effect on primary indicators; references; chapter iv. accumulation of selenium by plants; selenium-accumulating capacity of plants; selenium accumulation in indicator plants; selenium accumulation in farm crops; selenium accumulation in native grasses; comparative selenium accumulation by plants; factors that influence selenium accumulation in plants; toxic effects of selenium on plants; chemical forms of selenium in the plant; references.
- Chapter v. selenium poisoning in animalslivestock; acute selenium poisoning; chronic selenium poisoning; chronic poisoning of the blind-staggers type; chronic poisoning of the alkali-disease type; chronic selenium poisoning by inorganic selenium; laboratory animals; acute selenium poisoning; subacute and chronic selenium poisoning; the effect of selenium on reproduction and congenital malformations; insects and mites; other animals; references; chapter vi. prevention and control of selenium poisoning; mapping of seleniferous areas; recognition of poisonous range plants; land management.
- Tolerance limitsselection of animals; grazing control; trailing livestock; use of herbicides; irrigation; selection of crops; crops for industrial use; references; chapter vi. selenium in nutrition; selenium in livestock nutrition; selenium in laboratory animal nutrition; selenium in chick nutrition; selenium in human nutrition; proposed experimentation; references; chapter vii. selenium in relation to public health; selenium in local foods; survey of health of rural populations; some cases of human poisoning; human chronic selenosis in colombia, south america; dental caries.
- Public health hazards in nonseleniferous areasselenium as an industrial hazard; references; chapter ix. chemistry of selenium; physical and chemical properties of selenium; inorganic selenium compounds; preparation of potassium selenate; radiochemistry of selenium; organoselenium compounds; methods of determination; reagents; general method; determination of selenium in various materials; estimation of water-soluble selenate, selenite, and organic selenium; micro methods for determination of selenium; use of selenium compounds; references; chapter x. biochemistry of selenium.