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.

ParametersUnitAnalytical methods/instruments and formula adopted

pHRangeHANNA portable water quality meter (HI-9828, USA)
Electrical conductivity (EC)µS/cm
Temperature°C
Total dissolved solids (TDS)mg/L

Calcium (Ca2+)mg/LEDTA titrimetric
Magnesium (Mg2+)
Sodium (Na+)Digital flame photometer (Deep Vision. Model.381)
Potassium (K+)

Carbonate (CO3)mg/LH2SO4 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