Moreover, a set of at least two blankswas processed together with each batch of samples and concentrationswere reported after blank subtraction. In thisway blankswere kept lower than 2 ng L−1 in any case.
Moreover, a set of at least two blankswas processed together with each batch of samples and concentrationswere reported after blank subtraction. In thisway blankswere kept lower than 2 ng L−1 in any case.