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Assessing bioaccessible fractions of arsenic, chromium, lead, selenium and zinc in coal fly ashes

✍ Scribed by B. Lokeshappa, A. K. Dikshit, Y. Luo…


Book ID
120738534
Publisher
Springer-Verlag
Year
2013
Tongue
English
Weight
774 KB
Volume
11
Category
Article
ISSN
1735-1472

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For determination of trace elements in coal by wet chemical methods, the decomposition reaction with nitric acid under elevated pressure was investigated. In the case of carbon-rich fly-ash, it was necessary to add hydrofluoric acid. Treatment for 20 h at about 140°C was sufficient for complete demi