with a molar substitution between 0.6 and 0.9 was kindly received
as a gift from Wacker Chemie AG (Germany). Sodium hypophosphite hydrate
(SHP, Sigma-Aldrich), BTCA (Sigma-Aldrich, 99%), PAHs [acenaphthene
(Ace, 99%), fluorene (Flu, 98%), fluoranthene (FluA, 98%), phenanthrene
(Phe, 98%), and pyrene (Pyr, 98%)], and heavy metals (zinc(II) acetate,
manganese(II) acetate, lead(IV) acetate, cadmium(II) acetate, copper(II)
acetate, and nickel(II) acetate) were all obtained from Sigma-Aldrich.
High-purity water was produced from a Millipore Milli-Q system (resistivity ≥
18 MΩ cm).