[Table/Fig-6]:
Correlation matrix for water quality parameters in the bottled drinking water brands.
pH | EC | TDS | TA | TH | CA | Mg | F | Cl | SO4 | Na | K | Cd | Co | Cr | Cu | Fe | Li | Mn | Ni | Pb | Sr | Zn | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pH | 1.00 | ||||||||||||||||||||||
EC | 0.91 | 1.00 | |||||||||||||||||||||
TDS | 0.91 | 1.00 | 1.00 | ||||||||||||||||||||
TA | 0.98 | 0.91 | 0.91 | 1.00 | |||||||||||||||||||
TH | -0.15 | -0.02 | -0.02 | -0.02 | 1.00 | ||||||||||||||||||
Ca | -0.03 | 0.35 | 0.35 | 0.07 | 0.62 | 1.00 | |||||||||||||||||
Mg | -0.16 | -0.35 | -0.35 | -0.08 | 0.69 | -0.14 | 1.00 | ||||||||||||||||
F | 0.57 | 0.44 | 0.44 | 0.47 | -0.89 | -0.49 | -0.67 | 1.00 | |||||||||||||||
Cl | 0.29 | 0.65 | 0.65 | 0.31 | 0.10 | 0.82 | -0.63 | 0.09 | 1.00 | ||||||||||||||
SO4 | -0.02 | -0.23 | -0.24 | 0.11 | -0.08 | -0.45 | 0.31 | 0.14 | -0.52 | 1.00 | |||||||||||||
Na | 0.99 | 0.95 | 0.95 | 0.98 | -0.15 | 0.07 | -0.25 | 0.58 | 0.40 | -0.04 | 1.00 | ||||||||||||
K | -0.42 | -0.04 | -0.04 | -0.29 | 0.55 | 0.89 | -0.13 | -0.57 | 0.64 | -0.21 | -0.31 | 1.00 | |||||||||||
Cd | 0.34 | 0.08 | 0.08 | 0.44 | 0.44 | -0.28 | 0.82 | -0.21 | -0.54 | 0.57 | 0.26 | -0.38 | 1.00 | ||||||||||
Co | 0.71 | 0.83 | 0.83 | 0.63 | -0.48 | 0.19 | -0.78 | 0.73 | 0.69 | -0.39 | 0.77 | -0.10 | -0.41 | 1.00 | |||||||||
Cr | 0.64 | 0.34 | 0.33 | 0.60 | -0.61 | -0.72 | -0.11 | 0.80 | -0.36 | 0.52 | 0.59 | -0.82 | 0.40 | 0.34 | 1.00 | ||||||||
Cu | 0.06 | -0.19 | -0.20 | 0.10 | 0.55 | -0.28 | 0.96 | -0.48 | -0.67 | 0.28 | -0.05 | -0.36 | 0.88 | -0.62 | 0.11 | 1.00 | |||||||
Fe | 0.47 | 0.25 | 0.24 | 0.38 | -0.89 | -0.71 | -0.47 | 0.95 | -0.20 | 0.34 | 0.45 | -0.73 | -0.03 | 0.50 | 0.90 | -0.27 | 1.00 | ||||||
Li | 0.69 | 0.41 | 0.41 | 0.75 | 0.08 | -0.38 | 0.45 | 0.26 | -0.36 | 0.58 | 0.62 | -0.57 | 0.88 | 0.03 | 0.74 | 0.61 | 0.38 | 1.00 | |||||
Mn | -0.64 | -0.68 | -0.68 | -0.74 | -0.66 | -0.48 | -0.39 | 0.23 | -0.31 | -0.01 | -0.64 | -0.15 | -0.61 | -0.17 | -0.04 | -0.43 | 0.31 | -0.60 | 1.00 | ||||
Ni | 0.39 | 0.36 | 0.36 | 0.52 | 0.79 | 0.33 | 0.70 | -0.46 | -0.01 | 0.21 | 0.36 | 0.12 | 0.81 | -0.22 | -0.02 | 0.70 | -0.43 | 0.65 | -0.92 | 1.00 | |||
Pb | -0.90 | -0.92 | -0.92 | -0.82 | 0.09 | -0.18 | 0.28 | -0.44 | -0.48 | 0.46 | -0.90 | 0.28 | -0.06 | -0.81 | -0.35 | 0.07 | -0.27 | -0.36 | 0.57 | -0.26 | 1.00 | ||
Sr | 0.58 | 0.74 | 0.74 | 0.67 | 0.65 | 0.71 | 0.17 | -0.26 | 0.58 | -0.22 | 0.61 | 0.37 | 0.34 | 0.31 | -0.17 | 0.19 | -0.41 | 0.35 | -0.95 | 0.79 | -0.61 | 1.00 | |
Zn | -0.55 | -0.26 | -0.27 | -0.39 | 0.32 | 0.60 | -0.15 | -0.41 | 0.39 | 0.20 | -0.45 | 0.88 | -0.31 | -0.25 | -0.59 | -0.40 | -0.48 | -0.47 | 0.09 | -0.04 | 0.58 | 0.06 | 1.00 |