By Peter Ravenscroft
Arsenic toxins summarizes the most up-tp-date study at the distribution and motives of arsenic pollutants, its effect on future health and agriculture, and ideas in terms of water provide, therapy, and water source administration.
- Provides the 1st worldwide and interdisciplinary account of arsenic pollutants occurrences
- Integrates geochemistry, hydrology, agriculture, and water offer and therapy for the 1st time
- Options are highlighted for constructing replacement water resources and strategies for arsenic trying out and removing
- Appeals to experts in a single self-discipline looking an outline of the paintings being performed in different disciplines
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Additional info for Arsenic pollution: a global synthesis
Oxide minerals do not take arsenic into their structure, but have a great capacity to adsorb arsenic onto their surface. Iron oxides are the most important minerals in controlling the occurrence of arsenic in groundwater. In contrast to sulphides, oxides are formed in environments where there are ready sources of oxygen, and conversely break down and dissolve in anaerobic environments. Thus, there are two competing means of trapping arsenic in minerals, under oxidising and reducing conditions, and so arsenic contamination occurs where, for reasons described later, neither sulphides nor oxides can remove arsenic from solution.
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3 The late twentieth century Until the 1980s, the picture that emerges is one of isolated problems that did not attract international attention. The reasons are unclear, but there are probably three main explanations. First, arsenic was not routinely tested for in many countries, and second, there was a relatively poor knowledge of the health effects of low levels of arsenic. The third reason is cultural. The two major problems at the time (Argentina and Taiwan) were poorly known in Europe and North America and did not resonate with public health officials.
Arsenic pollution: a global synthesis by Peter Ravenscroft