Authors: Ko, Ilwon; Kang, So Young; Kim, Kyoung-Woong; Lee, Cheol Hyo

Source: Chemical Speciation and Bioavailability, Volume 21, Number 1, March 2009 , pp. 49-57(9)

Publisher: Science Reviews 2000 Ltd

Abstract:

The field test kit for the on-site analysis of arsenic has been previously evaluated for aqueous solutions such as surface water and groundwater. In this study, the field test kit was optimized for arsenic determination in a sandy sediment The field test kit was found to be applicable to on site screening of arsenic contamination at levels around 6 mg kg⁻¹, the soil regulatory standard for arsenic concentration in Korean soils. However, the method requires a simple chemical pre-extraction. This arsenic extraction has been optimized and the effects of soil-solution ratio, extraction time and fine particles are discussed in detail. The fine particles in the sediment sample strongly bind to arsenic resulting in variability of its extraction, both in extractability and extraction time. Under the optimized conditions, the arsenic content using the field test kit had a high regression coefficient with respect to that found by chemical analysis of the sediment sample.

Keywords: ARSENIC; SEDIMENT; EXTRACTION; FINE PARTICLE; FIELD TEST KIT

Document Type: Research article

DOI: http://dx.doi.org/10.3184/095422909X419880

Publication date: 2009-03-01

More about this publication?

• Chemical Speciation & Bioavailability covers a rapidly expanding area in environmental science.

  Research on the interactions between the chemical forms and behaviour of toxic compounds and their subsequent biological uptake, metabolism and ecological fate involves many scientific fields. These studies are often published in discipline-specific journals, leading to inadequate review and information scatter. This situation hinders both the development of an international community of experienced colleagues and the open flow of information and discussion. Additionally, the importance of speciation and bioavailability research to the development of pollution law and control technologies is being increasingly appreciated by environmental regulatory agencies throughout the world.

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