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Author: Nigel J.K. Simpson
Publisher: CRC Press
ISBN: 9781420056242
Category : Science
Languages : en
Pages : 532
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Book Description
Demonstrating the relationship of the basic theory of solid-phase extraction (SPE) to chromatography, this comprehensive reference illustrates how SPE techniques significantly contribute to the preparation of samples for a wide variety of analytical techniques. It provides step-by-step details on the applications of SPE to environmental matrices, broad-spectrum drug screening, veterinary drug abuse, pharmaceutical drug development, biological samples, and high-throughput screening. Written by world-renowned experts in the field, the book contains helpful reference charts, tables of solvent properties, selectivities, molecular acid/base properties, and more.
Author: Nigel J.K. Simpson
Publisher: CRC Press
ISBN: 9781420056242
Category : Science
Languages : en
Pages : 532
Get Book Here
Book Description
Demonstrating the relationship of the basic theory of solid-phase extraction (SPE) to chromatography, this comprehensive reference illustrates how SPE techniques significantly contribute to the preparation of samples for a wide variety of analytical techniques. It provides step-by-step details on the applications of SPE to environmental matrices, broad-spectrum drug screening, veterinary drug abuse, pharmaceutical drug development, biological samples, and high-throughput screening. Written by world-renowned experts in the field, the book contains helpful reference charts, tables of solvent properties, selectivities, molecular acid/base properties, and more.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 502
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251040652
Category : Political Science
Languages : en
Pages : 160
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Book Description
Author: United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations
Publisher:
ISBN:
Category : Food
Languages : en
Pages : 830
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Book Description
Author: United States. Interdepartmental Task Force on PCBs
Publisher:
ISBN:
Category : Biphenyl compounds
Languages : en
Pages : 204
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Book Description
Author:
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ISBN:
Category : Caribbean Area
Languages : en
Pages : 490
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Book Description
Author: Gerald G. Moy
Publisher: Springer Science & Business Media
ISBN: 1441976892
Category : Technology & Engineering
Languages : en
Pages : 549
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Book Description
Unless a food is grossly contaminated, consumers are unable to detect through sight or smell the presence of low levels of toxic chemicals in their foods. Furthermore, the toxic effects of exposure to low levels of chemicals are often manifested slowly, sometimes for decades, as in the case of cancer or organ failure. As a result, safeguarding food from such hazards requires the constant monitoring of the food supply using sophisticated laboratory analysis. While the food industry bears the primary responsibility for assuring the safety of its products, the overall protection of people’s diets from chemical hazards must be considered one of the most important public health functions of any government. Unfortunately, many countries do not have sufficient capability and capacity to monitor the exposure of their populations to many potentially toxic chemicals that could be present in food and drinking water. Without such monitoring, public health authorities in many countries are not able to identify and respond to problems posed by toxic chemicals, which may harm their population and undermine consumer confidence in the safety of the food supply. From a trade perspective, those countries that cannot demonstrate that the food they produce is free of potentially hazardous chemicals will be greatly disadvantaged or even subject to sanctions in the international marketplace. The goal of a total diet study (TDS) is to provide basic information on the levels and trends of exposure to chemicals in foods as consumed by the population. In other words, foods are processed and prepared as typical for a country before they are analyzed in order to better represent actual dietary intakes. Total diet studies have been used to assess the safe use of agricultural chemicals (e.g., pesticides, antibiotics), food additives (e.g., preservatives, sweetening agents), environmental contaminants (e.g., lead, mercury, arsenic, cadmium, PCBs, dioxins), processing contaminants (e.g., acrylamide, polycyclic aromatic hydrocarbons, chloropropanols), and natural contaminants (e.g., aflatoxin, patulin, other mycotoxins) by determining whether dietary exposure to these chemicals are within acceptable limits. Total diet studies can also be applied to certain nutrients where the goal is to assure intakes are not only below safe upper limits, but also above levels deemed necessary to maintain good health. International and national organizations, such as the World Health Organization, the European Food Safety Agency and the US Food and Drug Administration recognize the TDS approach as one of the most cost-effective means of protecting consumers from chemicals in food, for providing essential information for managing food safety, including food standards, and for setting priorities for further investment and study. Total Diet Studies introduces the TDS concept to a wider audience and presents the various steps in the planning and implementation of a TDS. It illustrates how TDSs are being used to protect public health from chemicals in the food supply in many developed and developing countries. The book also examines some of the applications of TDSs to specific chemicals, including contaminants and nutrients.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 512
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Book Description
Author:
Publisher:
ISBN:
Category : Cyanides
Languages : en
Pages : 48
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Book Description
This document reviews several issues relating to the FDA's discovery of cyanide in Chilean grapes. The report assesses if the FDA used proper laboratory tests and procedures, compiled with the law and FDA regulations pertaining to adulterated products, and consulted with other federal agencies and affected parties before arriving at its decision.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 826
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Book Description
