ABSTRACT
The objective was to investigate the quality of drinking water of Jaipur city during pre-monsoon session (April 2006 to June 2006). Physico-chemical parameters like pH, EC, TDS, Ca2+, Mg2+, Na+, K+, CO3(2-), HCO3(-), Cl(-), SO4(2-), NO3(-), F(-) and TH were analyzed by adopting the standard method of APHA. To assess the quality of ground water, each parameter was compared with the standard desirable limit of that parameter stipulated for drinking water as prescribed by BIS. A correlation analysis was conducted to determine the correlation coefficient (r) among the parameters. The highest correlation was found between EC and chloride (r = 0.986, p = < .0001). EC showed highly significant positive correlation with chloride, Mg++, Na+, TDS and TH while significant inverse correlations were found in four cases, i.e. between pH and bicarbonate, between carbonate and bicarbonate, between pH and TDS and between sulphate and pH, while potassium, nitrate and fluoride did not show any significant correlations with any other parameters studied.
Subject(s)
Calcium/analysis , Chemistry Techniques, Analytical/methods , Chemistry, Physical/methods , Electric Conductivity , Environmental Monitoring/methods , Hydrogen-Ion Concentration , India , Magnesium/analysis , Regression Analysis , Trace Elements/analysis , Water Pollutants/analysis , Water Pollutants, Chemical/analysis , Water Pollution, Chemical/analysis , Water Purification/methods , Water SupplyABSTRACT
Heavy metals contamination has been recognized as a major environmental concern due to their pervasiveness and persistence. These heavy metals are not biodegradable, hence there is a need to develop such a remediation technique, which should be efficient, economical and rapidly deployable in a wide range of physical settings. For the characterization of heavy metals of various industrial effluents, some heavy metals, like Arsenic, Cadmium, Chromium, Copper, Iron, Manganese, Nickel, Lead and Zinc were analyzed. The results exhibited that As, Cd, Cr and Pb were not found in any studied wastewater samples, while some of the following heavy metals ranged from: Cu (0.0 - 1.0 mg/L), Fe (0.1 - 0.4 mg/L), Mn (0.0 - 0.4 mg/L), Ni (0.01 - 0.07 mg/L) and Zn (0.68 - 60.84 mg/L). Copper, Iron, Manganese and Zinc were found above the standard limit recommended by IS: 3307 (1977). However, Nickel was found below the regulated safety values for all studied samples.