Author(s):

GK Bagri, P Raha, R Kumari, DK Bagri and DL Bagdi

Abstract: The analysis of rain water samples were carried out in the Department of Soil Science and Agricultural Chemistry Laboratory at the Institute of Agricultural Sciences, Banaras Hindu University, Varanasi during 2015. The rain water samples of three different location viz. Lanka (Banaras Hindu University, campus), Mirzamurad and Babatpur which are relatively free from industrial pollution were examined during south-west monsoon period (July to September) in Varanasi using standaralize collection and analytical techniques for evaluation chemical composition of rain water. The titrimetric techniques were employed to the determination of Cl-, CO32-, HCO3-, and NO3- and PO43- were estimated by colorimetric methods. It was observed that basic anions content (CO32- and HCO3-) in rain water of Varanasi was found much higher than acidic anions content (Cl- + SO42- + NO3- + PO43-).

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