OECD Guidelines for the Testing of Chemicals, Section 1 Test No. 108: Complex Formation Ability in Water PDF Download
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Author: OECD
Publisher: OECD Publishing
ISBN: 926406964X
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes the polarographic method. The ability of a substance to form complexes with metals can be assessed by means of polarographic techniques which allow the determination of stability constants for some complexes. The ...
Author: OECD
Publisher: OECD Publishing
ISBN: 926406964X
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes the polarographic method. The ability of a substance to form complexes with metals can be assessed by means of polarographic techniques which allow the determination of stability constants for some complexes. The ...
Author: Organisation for Economic Co-operation and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes the polarographic method. The ability of a substance to form complexes with metals can be assessed by means of polarographic techniques which allow the determination of stability constants for some complexes. The polarographic method can be applied to substances with a water solubility greater than 10-5 M. This method is based on the fact that the reduction potentials of metal ions are shifted, usually to more negative values, as a result of complex formation. A minimum of four known concentrations of the chemical being tested should be investigated with a known concentration of metal ions. The chemical being tested should normally be present in at least a 25-fold excess over the metal ion concentrations. The current should be measured at applied potentials in the range - 0.2 V to -1.0 V. In order to detect complexes which form slowly, it is necessary to allow the solutions to stand under a nitrogen atmosphere for a minimum period of 24 hours. If the results are not significant, it is necessary to use methods based on different physicochemical principles, such as spectrophotometry or nuclear magnetic resonance spectrometry.
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Category :
Languages : en
Pages :
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Book Description
Author: OECD
Publisher: OECD Publishing
ISBN: 9264017984
Category :
Languages : en
Pages : 244
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Book Description
The OECD Guidelines for the Testing of Chemicals are a collection of internationally agreed methods for testing the safety of chemicals and chemical preparations, including pesticides and industrial chemicals. This 2005 update contains 11 new and 3 revised guidelines.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264170200
Category :
Languages : en
Pages : 79
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Book Description
The OECD Guidelines for the Testing of Chemicals provide a unique tool for assessing the potential effects of chemicals on human health and the environment. Accepted internationally as the standard methods for safety testing, the OECD Guidelines for ...
Author: OECD
Publisher: OECD Publishing
ISBN: 9264069720
Category :
Languages : en
Pages : 8
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Book Description
This Test Guideline describes the methods allowing the determination of the dissociation constants in water. The dissociation is the reversible splitting into two or more chemical species which may be ionic. The determination of the dissociation ...
Author: Dennis J. Paustenbach
Publisher: John Wiley & Sons
ISBN: 111974296X
Category : Technology & Engineering
Languages : en
Pages : 1319
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Book Description
Understand the fundamentals of human risk assessment with this introduction and reference Human risk assessments are a precondition for virtually all industrial action or environmental regulation, all the more essential in a world where chemical and environmental hazards are becoming more abundant. These documents catalog potential environmental, toxicological, ecological, or other harms resulting from a particular hazard, from chemical spills to construction projects to dangerous workplaces. They turn on a number of variables, of which the most significant is the degree of human exposure to the hazardous agent or process. Human and Ecological Risk Assessment combines the virtues of a textbook and reference work to introduce and analyze these vital documents. Beginning with the foundational theory of human health risk assessment, it then supplies case studies and detailed analysis illustrating the practice of producing risk assessment documents. Fully updated and authored by leading authorities in the field, the result is an indispensable work. Readers of the second edition of Human and Ecological Risk Assessment will also find: Over 40 entirely new case studies reflecting the latest in risk assessment practice Detailed discussion of hazards including air emissions, contaminated food and soil, hazardous waste sites, and many more Case studies from multiple countries to reflect diverse international standards Human and Ecological Risk Assessment is ideal for professionals and advanced graduate students in toxicology, industrial hygiene, occupational medicine, environmental science, and all related subjects.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264078401
Category :
Languages : en
Pages : 53
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Book Description
This document provides guidance for the testing of substances, and mixtures, classed as “difficult to test” for the purposes of determining their aquatic toxicity.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264224157
Category :
Languages : en
Pages : 18
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Book Description
This Test Guideline assesses the toxicity of chemicals on the growth of the rooted aquatic plants (Myriophyllum spicatum) growing in water-sediment system.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264185186
Category :
Languages : en
Pages : 6
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Book Description
This Test Guideline describes methods to measure the viscosity of liquids. Most of the methods listed are appropriate for the investigation of Newtonian liquids. The measurement of non-Newtonian liquids is possible with the rotational viscometer ...
