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. 2021 Jun 4;18(11):6075. doi: 10.3390/ijerph18116075

Figure 2.

Figure 2

Concentration trends over time, for each reactive material and for all transition metals considered, resulting from the batch tests. The experimental conditions in ranges were: static fluid, temperature: 25–28 °C and pH: 7.1–8.8. Specifically: (a) for Cabuya; (b) for Clinoptilolite; (c) for Mordenite; (d) for Sodium Mordenite; (e) for 4A Sinthetic Zeolite; (f) Powder Limestone; (g) Zero Valent Iron (ZVI).