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. 2026 Aug 20;16(41):49080–49092. doi: 10.1039/d6ra07232a

Table 2. Initial concentrations of the three PTEs solutions.

Types of PTEs Initial concentration gradient (mg L−1) of PTEs solutions
Cd(ii) 5 10 15 20 40 60 80 100
Pb(ii) 5 10 15 20 40 60 80 100
Cr(vi) 0.5 1 1.5 2 4 6 8 10