Description : Chromium isn't the most well-known metal, but it's very useful. In fact, chromium could even be called a supermetal. Chromium makes other metals better. From mining chromium to the making of chromium alloys, this book, a complement to any science curriculum, is a valuable look at this precious element. Vivid photographs, detailed captions, and "Metal Mania" fact boxes inform readers about the importance of chromium.
Description : Provides a comprehensive chemical and biochemical treatment on the effects of chromium in the environment and in man. Such an integrated treatment of the chemical and biochemical aspects of chromium is novel and has not appeared in the published literature. Reviews the information on global cycling and environmental occurrence of chromium compounds, which defines the extent of the environmental and toxicological concern. The treatment of chromium chemistry provides the basis for toxicological models of chromium hypersensitivity, mutagenicity, carcinogenicity, and toxicokinetics. Chapters contain graphical representations of the voluminous mutagenicity and animal carcinogenicity data according to chromium compound type, and a tabular summary of all published epidemiological data, broken down according to industry. Also covers clinical patterns, prognosis, pathogenesis, prophylaxis, and environmental and biological monitoring.
Description : Chromium nutritional supplements are the second best selling mineral supplements after calcium as chromium is found in pills, sports drinks, chewing gums, smoothies, and numerous other products. Chromium has been promoted to promote weight loss and muscle development and most recently to be available to treat the symptoms of type 2 diabetes and related conditions. The aim of The Nutritional Biochemistry of Chromium(III) is to examine the four most controversial areas of chromium nutrition and biochemistry: - is chromium an essential element for humans and are chromium nutritional supplements of value? - what biochemical role, if any, does chromium play in the body - can large doses of chromium(III) be used to treat symptoms of type 2 diabetes, cardiovascular disease, and related medical conditions - is the use of chromium(III) supplements a health concern. Scientific experts, who are recognized leaders in the field, weigh in with their opinions on both sides of these issues in this book. A background review of the field from 1955-1995 by Vincent opens the book and concludes with a summary by Dr. Forrest Nielsen, Center Director of the USDA's Grand Forks Human Nutrition Research Center concludes the book. * Point-counterpoint format, providing both sides of major issues * Complete coverage of current issues, including nutrition, health, biochemical role and toxicology * Authors are recognised experts and leaders in this field
Description : This document on inorganic chromium (III) compounds provides summaries of the relevant scientific information concerning the potential effects of these chemicals upon human health and/or the environment. Chemical safety cards on the most common inorganic trivalent chromium compounds are reproduced in this document.
Description : The User's Guide to Nutritional Supplements focuses on the most popular nutritional supplements, those that consistently attract the most attention - and are the ones most likely to benefit the majority of people. In describing the most popular nutritional supplements, this book explains: * Vitamin E can reduce the risk of heart disease - and the best types to take. * Selenium can slash the chances of developing some types of cancer. * Ginkgo can improve memory and recall. * Chromium can help oromote weigth loss and lower the risk of diabetes. * Glucosamine and chondroitin can prevent osteoarthritis. * Calcium and magnesium work together to build strong bones. * Coenzyme Q10 can boost your energy levels and strengthenyour heart. * Ginseng and other supplements boost your exercise stamina.
Description : The American feed industry manufactures tons of dietary supplements and additives each year for inclusion in the diets of food-producing animals. Some scientists have suggested that chromium should be a key ingredient in nutritional supplements. Controversy exists, however, over whether chromium sources should be approved as feed additives and whether enough data exist to establish dietary requirements. Chromium use has been suggested to have positive impacts on farm profitability, and many animal health benefits have been attributed to chromium supplementation, including increased longevity; enhanced reproduction; decreased incidence of metabolic disorders, stress effects, and disease; reduced need for antibiotic usage; improved immune response; and lean carcass quality. This book addresses recent research on chromium in animal diets; metabolic interactions between chromium and other nutrients; assessments of form and species interactions; supplementation effects; bioavailability of chromium forms and sources; and effects of diet composition, stressors, and animal physiological status on chromium utilization. It also provides recommendations on the essentiality of dietary chromium in domestic animal species and guidelines for use of dietary chromium.
Description : Only limited information existed about the occurrence of boron and chromium in drinking water sources prior to this project. In addition, chromium speciation in drinking water sources was not well understood. In fact, due to analytical method deficiencies, previous field sampling experiences had resulted in total chromium concentrations less than corresponding hexavalent chromium concentrations. This project specifically addressed the following questions: . What are the analytical method challenges and sensitivities for reliable low-level detection of chromium species and boron in drinking water supplies? . What are the national occurrence patterns for chromium species and boron in drinking water sources? . What is the fate of these compounds through drinking water facilities and distribution systems? The project approach included . an investigation of analytical challenges for both chromium and boron analysis, . a review of existing occurrence data sources, . a design and an implementation of the national occurrence survey, . an analysis of the national occurrence results, and . an investigation of the fate of chromium and boron through drinking water facilities and distribution systems.
Description : The importance of understanding complex toxicological and chemical properties of hexavalent and trivalent chromium has increased rapidly over the last few years as state and federal regulators reevaluate environmental standards. The risk management of chromium-contaminated soils continues to be a very dynamic process that presents interesting challenges. Chromium in Soil discusses the challenges faced by those investigating and remediating chromium-impacted soils and groundwater. The chapters address numerous ground-breaking developments in various fields of environmental chromium research, including toxicity, chemistry, environmental fate and transport, remediation technology, and health-based cleanup standards.