含水层 | Na+ | Ca2+ | Mg2+ |
|
|
| pH |
四含 (N = 10) | 360~871 (659) | 4~143 (69) | 2~104 (47) | 74~336 (195) | 837~1247 (1070) | 106~915 (457) | 7.9~9.1 (8.6) |
煤系 (N = 14) | 435~783 (564) | 0.4~7 (4) | 0.6~7 (3) | 104~243 (164) | 23~602 (228) | 566~1233 (824) | 8.1~9.1 (8.6) |
太灰 (N = 6) | 858~943 (918) | 97~148 (122) | 87~144 (114) | 268~307 (288) | 1853~2060 (1978) | 293~365 (337) | 7.3~9.2 (8.5) |