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Now showing items 31-40 of 209
Lead: Environmental Aspects - Environmental Health Criteria 85
(1989)
Lead is a bluish or silvery-grey soft metal. With the exception of the nitrate, the chlorate, and, to a much lesser degree, the chloride, the salts of lead are poorly soluble in water.This document, although based on a ...
Pentachlorophenol - Environmental Health Criteria 71
(1987)
Pure pentachlorophenol (PCP) consists of light tan to white, needlelike crystals and is relatively volatile. It is soluble in most organic solvents, but practically insoluble in water at the slightly acidic pH generated ...
Diaminotoluenes - Environmental Health Criteria 74
(1987)
Diaminotoluenes are synthetic aromatic aimines (total of 6 isomers). The isolated, purified isomers are colourless crystals, while the commercial isomeric mixtures are light yellow to tan (Meta-diaminotoluene), or light ...
Tributyltin Compounds - Environmental Health Criteria 116
(1990)
Tributyltin (TBT) compounds are organic derivatives of tetravalent tin. They are characterized by the presence of covalent bonds between carbon atoms and a tin atom and have the general formula (n-C4H9)3Sn-X (where X ...
Beryllium - Environmental Health Criteria 106
(1990)
Beryllium is a steel-grey, brittle metal, existing naturally only as the 9Be isotope. Its compounds are divalent. Beryllium
has several unique properties. It is the lightest of all solid and chemically-stable substances, ...
2-Nitropropane - Environmental Health Criteria 138
(1992)
2-Nitropropane (2-NP) is a colourless, oily liquid with a mild odour. It is flammable, only moderately volatile, and stable under ordinary conditions. It is only slightly soluble in water but miscible with many organic ...
Carbaryl - Environmental Health Criteria 153
(1994)
Carbaryl is the common name for the carbamic acid derivative 1-naphthyl N-methylcarbamate. The technical grade product is a white crystalline solid, with a low volatility; it is poorly soluble in water, which is stable ...
Principles for the Toxicological Assessment of Pesticide Residues in Food - Environmental Health Criteria 104
(1990)
This monograph has been prepared on behalf of the Central Unit of the International Programme on Chemical Safety (IPCS) and its aim is to provide an update of the principles utilized by the WHO Expert Group on Pesticide ...
2, 4 - Dichlorophenoxyacetic Acid (2,4-d): Environmental Aspects - Environmental Health Criteria 84
(1989)
2,4-D is a selective herbicide which kills broad-leaved plants but not grasses or conifers. Its chemical structure is a modification of a
naturally occurring plant hormone. 2,4-D is available as the free acid but is ...
Selected Mycotoxins: Ochratoxins, Trichothecenes, Ergot - Environmental Health Criteria 105
(1990)
Ochratoxins are produced by several species of the fungal genera Aspergillus and Penicillium. These fungi are ubiquitous and the potential for the contamination of foodstuffs and animal feed is widespread. Ochratoxin A, ...