By Abida Farooqi
This publication provides an up to date evaluate of arsenic and fluoride toxins of soil and groundwater in Pakistan. It comprises the author’s doctoral dissertation on Lahore as a case learn and describes the mechanism of pollutants at the foundation of the findings in that sector. The publication highlights the concrete scenario in Pakistan – together with the severity of the matter, its future health results and the hazards posed to the folk residing in affected parts via those significant pollution– and issues out crucial examine parts that decision for fast cognizance. As such, it attracts consciousness to the necessity for administration thoughts within the affected parts and gives a priceless reference paintings on Pakistan for college students and researchers alike.
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Additional info for Arsenic and Fluoride Contamination: A Pakistan Perspective
2007a, b). Previous researches suggest that some areas are characterized by high levels of As along with F. Highly F− and As contaminated groundwaters appear in Waran Pira Wara, Kalalanwala, and Kot Asad Ullah (Masuda et al. 2010), and surrounding areas (Farooqi et al. 2009). There seems no appreciable trend of Arsenic concentration with respect to concentration of other physicochemical parameters except for small correlation between arsenic concentration and pH, EC, nitrate, chloride, total hardness and sodium does exist (Malana and Khosa 2011).
05 N) with an analytical error <+2 %. Sodium and K+ were determined by atomic absorption spectrometry (SAS 7500, Seiko). 46 3 Mechanism of Arsenic and Fluoride Release … Fig. 11 Drilling locations from the study area Anions Chloride, Br−, PO43−, SO42− and F− were determined by Ion chromatograph (DX-120, Dionex) with an analytical precision <±2 %, estimated using duplicated standard solutions. SiO2 and Fe were determined with ICP-AES. 4 Drilling locations and number of samples Abbr. 25 mL of a solution containing 10 % KI and 10 % ascorbic acid.
2010). A reconnaissance survey of groundwater at Kalalanwala and © Springer India 2015 A. 1007/978-81-322-2298-9_3 Kot Asadullah was undertaken during November 2002 to investigate the level of F− and As contamination and to identify the formation mechanism of the contaminated groundwater. I have collected 24 groundwater samples from the Kalalanwala area in November 2002 and analyzed for major and As and F− concentrations. 1 mg/L) were detected from the study area. In order to know the extent of contamination and the possible migration paths of these contaminants, the study area was extended from a single village to surrounding 17 villages (Fig.