Table 2.

Concentrations for major ions of the background and saline batch experiments (mg/L).

Element	Background	Saline	Element	Background	Saline
Ca	5.2	222.1	Cl	28.0	2050.0
Fe	1.4 × 10−3	2.2 × 10−2	SO4	56.0	333.0
K	0.7	38.6	Si	<DL	<DL
Mg	2.8	220.4	As	<DL	1.5 × 10−4
Na	73.9	783.9	pH (unitless)	8.5	6.4