Research Article
Assessment of Groundwater Quality along the Cooum River, Chennai, Tamil Nadu, India
Table 3
Methods used for analysis of quality parameters for the water samples.
| | Quality parameters studied | Methods used |
| | pH | pH meter | | Electrical conductivity | Conductivity meter | | Total dissolved solids | Evaporation method | | Biochemical oxygen demand | Modified Winkler’s method | | Chemical oxygen demand | Titrated with an excess of K2Cr2O7 | | Sodium | Flame photometry | | Lead | Atomic absorption spectrometry |
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