Blank masses for individual polychlorinated biphenyl congeners in soils from ...

Combusted diatomaceous earth (DE, Thermo Fisher Scientific) was used as method blank. A total of 8 method blanks (one blank per sample batch), were included during extraction,...以煅烧硅藻土（diatomaceous earth，简称DE）作为方法空白，该试剂购自赛默飞世尔科技（Thermo Fisher Scientific）。本次实验共设置8个方法空白样品，每个样品批次对应1个方法空白，并将其全部纳入萃取流程中。