Determination of the hardness of drinking packaged water of Kalyani area, West Bengal

Abstract

Water with high concentration of minerals is hard water. Water is essential for life. But water with very high degrees of hardness is harmful to health. Material and Methods : Four samples of packaged water samples were collected from kalyani area, West Bengal and tested by using EDTA titrimetric method with indicator and electrochemistry (non-indicator) principle. Results and discussion: Out of all the samples tested majority of them shows moderately hard character and single sample water as soft water character. Also from the experiment calcium and magnesium content has been determined. Conclusion: These studies Concludes that there is a differences in between all the parameter in respect to all the brands and also in the case of inter study except in magnesium content for two brands all the other brands having different value