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. 2017 Jun 8;21:10. doi: 10.1186/s40824-017-0096-4

Fig. 4.

Fig. 4

Ion adsorption during pre-conditioning regime using 10 ml solution per sample (PLR = 2 g/ml) with a daily change of the medium. Shaded areas correspond to ion adsorption from the media while the white area in the graphs correspond to ion release