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Concentrations of SO42− in pore water samples measured by Raman spectroscopy and liquid chromatography.
| Samples | Sampling Depth (cm) | Concentrations of SO42− (mmol/L) | Relative Deviation │CRaman − CLC│/CLC | |
|---|---|---|---|---|
| CRaman | CLC | |||
| A-12-a | 20–60 | 27.1 | 28.5 | 4.91% |
| B-12-a | 60–100 | 26.1 | 23.4 | 11.54% |
| C-12-a | 100–140 | 25.1 | 23.6 | 6.36% |
| D-12-a | 140–180 | 23.1 | 22.7 | 1.76% |
CRaman concentrations measured by Raman spectroscopy; CLC concentrations measured by liquid chromatography.
