The limit of detection (LOD) and limit of quantification (LOQ) were determined as described elsewhere (Gottwald, 2000; Kromidas, Klinkner, & Mertens, 1995).
The limit of detection (LOD) and limit of quantification (LOQ) weredetermined as described elsewhere (Gottwald, 2000; Kromidas,Klinkner, & Mertens, 1995).