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Lead: Environmental Aspects - Environmental Health Criteria 85
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 ...
Vanadium - Environmental Health Criteria 81
?letaliic vanadium does not occur in nature. Over 70 vanadium minerals are known, carnatite and vanadinite being the most important from the point of view of mining. Production of vanadium is linked with that of other ...
2, 4 - Dichlorophenoxyacetic Acid (2,4-d): Environmental Aspects - Environmental Health Criteria 84
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 ...