Geochemistry and speciation of solid and Aqueous Phase Arsenic in the Bengal Delta Plain Aquifers

Published on:

12 Apr 2016, 6:57 am

INTRODUCTION

^-1

₃

^3-

₄

^3-

GEOLOGY AND PHYSIOGRAPHY OF THE BENGAL DELTA PLAIN

STUDY AREA

METHODS

Sampling (both aqueous and solid phase)

₃

^®

Analysis (both aqueous and solid phase)

₃

₄

^3-

_tot

^-1

₃

RESULTS AND DISCUSSION

Groundwater chemistry and behavior of arsenic

₃

_3-

^-1

_tot

^-1

_3-

^-1

₄

^3-

^-1

₄

^2-

_3-

^-1

_3-

₄

^2-

₄

^3-

₄

^3-

₄

^3-

²⁺

^-1

²⁺

^-1

_tot

^-1

_tot

^-1

_tot

^-1

_tot

₄

^3-

_3-

_tot

_3-

₂

_tot

_3-

₄

^2-

_3-

_tot

_3-

₄₊

Distribution of arsenic species

Sediment chemistry

_tot

^-1

_tot

^-1

_tot

^-1

_ox

^-1

_ox

₄

_acet

^-1

_acet

^-1

_acet

^-1

_ox

_acet

₄

^3-

_ox

^-1

_ox

^-1

_ox

^-1

_ox

^-1

_ox

^-1

_ox

_acet

^-1

_ox

_acet

^-1

_ox

_acet

^-1

_ox

₄

^3-

_ox

₄

^3-

_acet

₄

^3-

_acet

₄

^3-

₄

^3-

_ox

₄

^3-

_acet

_ox

₄

_ox

_acet

_ox

_acet

_ox

_acet

Geochemistry and Arsenic affinity

_3-

₄₊

²⁺

CONCLUSION

_ox

ACKNOWLEDGEMENTS

REFERENCES

-Department of Chemistry, University of Kalyani, Kalyani, Nadia – 741235, West Bengal, India

- Department of Geological Sciences, Jadavpur University, Calcutta – 700 032, India

-Department of Land and Water Resources Engineering, Royal Institute of Technology, SE-100 44 STOCKHOLM, Sweden

- Department of Geology, University of Dhaka, Dhaka 1000, Bangladesh

आर्सेनिक

बांकुड़ा जिला