Method development for arsenic analysis by modification in spectrophotometric technique-Reference-Cited by-同舟云学术

Method development for arsenic analysis by modification in spectrophotometric technique

Published:2012-01-04 Issue:1 Volume:5 Page:1-8
ISSN:1996-9465
Container-title:Drinking Water Engineering and Science
language:en
Short-container-title:Drink. Water Eng. Sci.

Author:

Tahir M. A.,Rasheed H.,Malana A.

Abstract

Abstract. Arsenic is a non-metallic constituent, present naturally in groundwater due to some minerals and rocks. Arsenic is not geologically uncommon and occurs in natural water as arsenate and arsenite. Additionally, arsenic may occur from industrial discharges or insecticide application. World Health Organization (WHO) and Pakistan Standard Quality Control Authority have recommended a permissible limit of 10 ppb for arsenic in drinking water. Arsenic at lower concentrations can be determined in water by using high tech instruments like the Atomic Absorption Spectrometer (hydride generation). Because arsenic concentration at low limits of 1 ppb can not be determined easily with simple spectrophotometric technique, the spectrophotometric technique using silver diethyldithiocarbamate was modified to achieve better results, up to the extent of 1 ppb arsenic concentration.

Publisher

Copernicus GmbH

Subject

Pollution,Water Science and Technology,Civil and Structural Engineering

Link

https://dwes.copernicus.org/articles/5/1/2012/dwes-5-1-2012.pdf

Reference14 articles.

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