Unlike this study, WEEE have previously been shown to leach
greater concentrations of lead from TCLP than from WET (Jang
and Townsend, 2003; Lincoln et al., 2007; Yadav and Yadav,
2014). This may be due to a higher affinity of lead for the acetate
ion found in the TCLP extract solution. Zinc and iron concentrations
were greater in WET extracts than the TCLP digestates, however
this did not impact lead leachability as has been shown previously
(Vann et al., 2006b).
Unlike this study, WEEE have previously been shown to leachgreater concentrations of lead from TCLP than from WET (Jangand Townsend, 2003; Lincoln et al., 2007; Yadav and Yadav,2014). This may be due to a higher affinity of lead for the acetateion found in the TCLP extract solution. Zinc and iron concentrationswere greater in WET extracts than the TCLP digestates, howeverthis did not impact lead leachability as has been shown previously(Vann et al., 2006b).
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