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 ...

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 ...

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 ...

This document deals with outbreaks of certain human diseases associated with human exposure to compounds produced by algae. Predators feeding on the algae become contaminated by these compounds which, in this way, enter ...

The dithiocarbamates included in this review are those that are mainly used in agriculture and form part of the large group of synthetic organic pesticides that have been developed and produced on a large scale in the last ...

Fenvalerate is a potent insecticide that has been in use since 1976. It is an ester of 2-(4-chlorophenyl)-3-methylbutyric acid and alpha-cyano-3-phenoxybenzyl alcohol, but lacks a cyclopropane ring. However, in terms ...

Aluminium is a silvery-white, ductile and malleable metal. It belongs to group IIIA of the Periodic Table, and in compounds it is usually found as AlIII. It forms about 8% of the earth's crust and is one of the most reactive ...

Mercury is a metal which is liquid at normal temperatures and pressures. It forms salts in two ionic states mercury(I) and mercury (II). Mercury (II), or mercuric, salts are very much more common than mercury(l) salts, and ...

Mirex (C10C112) is a white crystalline odourless solid it is an extremely stable substance. Gas chromatography with electron capture detection is the analytical method most commonly used for its determination. Mirex is ...

It is the aim of this document to take the ecotoxicologist's point of view and consider effects on populations of organisms in the environment. The risk to human health of the use of DDT was evaluated in Environmental ...