Environmental Geology

, Volume 21, Issue 1–2, pp 84–89

Fluorine distribution in waters of Nalgonda District, Andhra Pradesh, India

  • N. V. Ramamohana Rao
  • N. Rao
  • K. Surya Prakash Rao
  • R. D. Schuiling
Article

Abstract

Geochemical and hydrochemical studies were conducted in Nalgonda District (A.P.), to explore the causes of high fluorine in waters, causing a widespread incidence of fluorosis in the local population. Samples of granitic rocks, soils, stream sediments, and waters were analyzed for F and other salient chemical parameters. Samples from the area of Hyderabad city were analyzed for comparison. The F content of waters in areas with endemic fluorosis ranges from 0.4 to 20 mg/l. The low calcium content of rocks and soils, and the presence of high levels of sodium bicarbonate in soils and waters are important factors favoring high levels of F in waters.

Key words

Fluorine Fluorosis India 

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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • N. V. Ramamohana Rao
    • 1
  • N. Rao
    • 2
  • K. Surya Prakash Rao
    • 3
  • R. D. Schuiling
    • 4
  1. 1.Institute of Preventive MedicineHyderabadIndia
  2. 2.Department of ChemistryOsmania UniversityHyderabadIndia
  3. 3.Department of Applied GeochemistryOsmania UniversityHyderabadIndia
  4. 4.Department of GeochemistryUtrecht UniversityThe Netherlands

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