Speciation of trace metals in sediments of a tropical estuary
β Scribed by C. K. Nair; A. N. Balchand
- Publisher
- Springer
- Year
- 1993
- Weight
- 739 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1432-0495
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Speciation of trace metals in sediments M. KERSTEN 11.1 calibration curve proved to reproduce known Cr III /Cr VI ratios of pure Cr 2 O 3 and Na 2 CrO 4 ΠΈ H 2 O mixtures with an accuracy of 3%. It can also be used to estimate Cr VI /total Cr content, e.g. in contaminated soils with chromium levels a
Although the parameters regulating mercury methylation in sediments are fairly well known, conditions controlling the formation and mobilization of methylmercury in aquatic sediments are still poorly understood. In this work the environmental factors governing the distribution and behaviour of total