[Table/Fig-8]:
Correlation matrix for water quality parameters in canned drinking water brands.
| pH | EC | TDS | TA | TH | Ca | Mg | F | Cl | NO3 | SO4 | Na | K | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | 1.000 | ||||||||||||
| EC | 0.811 | 1.000 | |||||||||||
| TDS | 0.812 | 1.000 | 1.000 | ||||||||||
| TA | 0.388 | 0.325 | 0.325 | 1.000 | |||||||||
| TH | 0.259 | 0.770 | 0.769 | -0.002 | 1.000 | ||||||||
| Ca | 0.743 | 0.994 | 0.994 | 0.327 | 0.829 | 1.000 | |||||||
| Mg | -0.251 | 0.345 | 0.345 | -0.298 | 0.864 | 0.435 | 1.000 | ||||||
| F | 0.789 | 0.995 | 0.995 | 0.409 | 0.771 | 0.994 | 0.347 | 1.000 | |||||
| Cl | -0.880 | -0.435 | -0.436 | -0.314 | 0.224 | -0.335 | 0.662 | -0.404 | 1.000 | ||||
| NO3 | 0.816 | 1.000 | 1.000 | 0.350 | 0.760 | 0.993 | 0.330 | 0.996 | -0.444 | 1.000 | |||
| SO4 | 0.822 | 0.999 | 0.999 | 0.367 | 0.752 | 0.992 | 0.318 | 0.997 | -0.452 | 1.000 | 1.000 | ||
| Na | 0.786 | 0.999 | 0.999 | 0.314 | 0.796 | 0.997 | 0.383 | 0.995 | -0.398 | 0.998 | 0.997 | 1.000 | |
| K | 0.379 | -0.232 | -0.231 | 0.058 | -0.774 | -0.338 | -0.942 | -0.267 | -0.773 | -0.224 | -0.216 | -0.272 | 1.000 |