Figure 8b. Graphical presentation of Principal Component Analysis (PCA) for fractionations of metals in LWWS (F1= exchangeable, F2 = adsorbed, F3 = organically bound, F4 = carbonate, F5 = sulfide/residual)

From

Speciation of Elements via a Sequential Extraction Procedure in Municipal Wastewater Biosolids from Three Rural WWTP in East Texas (USA)

Kefa K. Onchoke

World Journal of Analytical Chemistry. 2023, 8(1), 6-12 doi:10.12691/wjac-8-1-2