Title

Infield Detection of Arsenic Using Portable Digital Voltameter, PDV6000

Document Type

Book Chapter

Publisher

CRC Press/Balkenna

Faculty

Computing, Health and Science

School

Natural Sciences, Centre for Ecosystem Management

RAS ID

5466

Comments

This chapter was originally published as: Wajrak, M. (2009). Infield detection of arsenic using portable digital voltameter, PDV6000. In Jochen Bundschuh, M. A Armienta, Prosun Bhattacharya, Jorg Matschullat, A. B Mukherjee (Eds.). Natural Arsenic in Groundwaters of Latin America (pp. 245-253. Location: CRC Press/Balkenna. Original book available here.

Abstract

There are a growing number of countries in the world where arsenic (As) in groundwater, which is used for drinking and irrigation, has been detected at concentrations above the WHO safe drinking limit of I 0 j.1g/l. These include; Argentina, Bangladesh, Chile, China, Hungary, India, Mexico, Peru, Thailand, and the USA. Of a particular concern is the situation in Bangladesh where it is estimated that there are more than 1 million people drinking As-rich water (above 50 j.1g/l). It is imperative that people stop drinking from wells where As levels are high. However, as yet, there is no reliable, simple, and field-based method for As detection. This chapter presents some preliminary results from a method being currently developed to detect As in groundwater using portable digital voltameter (PDV6000). The evaluation of this infield method using ICP-MS shows that the voltammetric results are on average within 1.2 j.1gll of the laboratory-based spectrometric results.

DOI

10.1201/b11334-30

 

Link to publisher version (DOI)

10.1201/b11334-30