Research Article
Groundwater Quality and Suitability Assessment in Tirupur Region, Tamil Nadu, India
Table 1
Methodology adopted to analyze for physicochemical parameters and irrigation water quality.
| Parameters | Unit | Analytical methods/instruments and formula adopted |
| pH | Range | HANNA portable water quality meter (HI-9828, USA) | Electrical conductivity (EC) | µS/cm | Temperature | °C | Total dissolved solids (TDS) | mg/L |
| Calcium (Ca2+) | mg/L | EDTA titrimetric | Magnesium (Mg2+) | Sodium (Na+) | Digital flame photometer (Deep Vision. Model.381) | Potassium (K+) |
| Carbonate (CO3−) | mg/L | H2SO4 titrimetric | Bicarbonate (HCO3−) | Chloride (Cl−) | AgNO3 titrimetric | Sulphate (SO42−) | UV-visible spectrophotometer | Total hardness (TH) | EDTA titrimetric |
| Sodium adsorption ratio (SAR) | meq/L | | Residual sodium bicarbonate (RSBC) | |
| Sodium percentage (Na %) | % | | Permeability index (PI) | | Soluble sodium percentage (SSP) | | Magnesium hazard (MH) | |
| Kelly index (KI) | Range | |
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