Measurement of Cl⁻ : Br⁻ Ratios in the Porewater of Clay-Rich Rocks—A Comparison of the Crush-and-Leach and the Paper-Absorption Methods

Figure 3

Anion masses extracted by crush and leach from Opalinus Clay samples crushed to a range of grain sizes (<37, 37–75, 75–125, 125–250, 250–500, 500–1000, 1000–2000, 2000–4000, and 4000–10000 μm).