How, for a same water sample, is the aluminium concentration higher after filtration at 0.02 µm than at 0.45 µm?

The same water samples were filtered at 0.45 µm and 0.02 µm, using respectively Whatman® membrane filters nylon and Whatman® Anotop® 10 syringe filters. The water samples were kept in plastic...

04 January 2022 9,806 11 View