In this way, procedural blanks were frequently revised and kept lower than 0.05 ng g1 for all compounds except for BPA (0.2 ng g1), 4-tOP (0.9 ng g1) and NP (1.7 ng g1).
In this way, procedural blanks were frequently revised and kept lower than 0.05 ng g1 for all compounds except for BPA (0.2 ng g1), 4-tOP (0.9 ng g1) and NP (1.7 ng g1).