Z. Dlaskova et al., Utilization of active carbon in voltammetric analysis of thiodiglycolic acid in biological matrix, CHEM LISTY, 95(3), 2001, pp. 184-185
A procedure of pretreatment of urine samples with active carbon for voltamm
etric determination of thiodiglycolic acid is described. The procedure enab
les rapid distinguishing uncontaminated samples from those contaminated abo
ve a certain limit.