Research Article
The Efficacy of Treated Water from Water Filtration Machines for Safe Drinking Water Supply in Bandar Baru Bangi and Kajang, Selangor
Table 2
The mineral content for 15 samples of treated water.
| | Sample | Mineral content (mg/L) | | Copper (Cu) | Magnesium (Mg) | Aluminium (Al) | Arsenic (As) | Iron (Fe) | Zinc (Zn) | Lead (Pb) | Chromium (Cr) | Cadmium (Cd) |
| | A | 0.0003 ± 0.00 | 1.1659 ± 0.01 | 0.0065 ± 0.00 | 0.0016 ± 0.00 | 0.0414 ± 0.00 | 0.0034 ± 0.00 | ND | 0.0020 ± 0.00 | ND | | B | 0.0008 ± 0.00 | 0.8322 ± 0.04 | 0.0025 ± 0.00 | 0.0008 ± 0.00 | 0.0225 ± 0.00 | 0.0057 ± 0.00 | ND | 0.0002 ± 0.00 | ND | | C | 0.0048 ± 0.00 | 0.8361 ± 0.02 | 0.0061 ± 0.00 | 0.0008 ± 0.00 | 0.0225 ± 0.00 | 0.0848 ± 0.00 | ND | 0.0006 ± 0.00 | ND | | D | 0.0004 ± 0.00 | 0.9609 ± 0.02 | 0.0103 ± 0.00 | 0.0009 ± 0.00 | 0.0284 ± 0.00 | 0.0334 ± 0.00 | ND | 0.0003 ± 0.00 | ND | | E | 0.0003 ± 0.00 | 0.2886 ± 0.00 | 0.0053 ± 0.00 | 0.0003 ± 0.00 | 0.0145 ± 0.00 | 0.0154 ± 0.00 | ND | 0.0007 ± 0.00 | ND | | F | 0.0003 ± 0.00 | 0.7490 ± 0.03 | 0.0061 ± 0.00 | 0.0005 ± 0.00 | 0.0277 ± 0.00 | 0.0119 ± 0.00 | ND | 0.0004 ± 0.00 | ND | | G | 0.0003 ± 0.00 | 0.3935 ± 0.02 | 0.0099 ± 0.00 | 0.0004 ± 0.00 | 0.0199 ± 0.00 | 0.0071 ± 0.00 | ND | 0.0006 ± 0.00 | ND | | H | 0.0013 ± 0.00 | 0.2390 ± 0.01 | 0.0091 ± 0.00 | 0.0002 ± 0.00 | 0.0145 ± 0.00 | 0.0058 ± 0.00 | ND | 0.0003 ± 0.00 | ND | | I | 0.0028 ± 0.00 | 0.3313 ± 0.01 | 0.0106 ± 0.00 | 0.0003 ± 0.00 | 0.0155 ± 0.00 | 0.0076 ± 0.00 | ND | 0.0002 ± 0.00 | ND | | J | 0.0005 ± 0.00 | 1.0925 ± 0.01 | 0.0059 ± 0.00 | 0.0011 ± 0.00 | 0.0380 ± 0.00 | 0.0125 ± 0.00 | ND | 0.0010 ± 0.00 | ND | | K | 0.0003 ± 0.00 | 1.2155 ± 0.05 | 0.0109 ± 0.00 | 0.0009 ± 0.00 | 0.0373 ± 0.00 | 0.0060 ± 0.00 | ND | 0.0006 ± 0.00 | ND | | L | 0.0005 ± 0.00 | 1.0836 ± 0.03 | 0.0059 ± 0.00 | 0.0008 ± 0.00 | 0.0353 ± 0.00 | 0.0254 ± 0.00 | ND | 0.0005 ± 0.00 | ND | | M | 0.0011 ± 0.00 | 1.0694 ± 0.05 | 0.0182 ± 0.00 | 0.0007 ± 0.00 | 0.0329 ± 0.00 | 0.0281 ± 0.00 | ND | 0.0003 ± 0.00 | ND | | N | 0.0005 ± 0.00 | 0.2101 ± 0.00 | 0.0061 ± 0.00 | 0.0002 ± 0.00 | 0.1086 ± 0.00 | 0.0217 ± 0.00 | ND | 0.0002 ± 0.00 | ND | | O | 0.0003 ± 0.00 | 0.2200 ± 0.00 | 0.0090 ± 0.00 | 0.0003 ± 0.00 | 0.0114 ± 0.00 | 0.0207 ± 0.00 | ND | 0.0002 ± 0.00 | ND |
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ND—not detected. All results are expressed in mean ± SD in triplicates (n = 3).
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