Erratum to “Utilizing a sequential injection system furnished with an extraction microcolumn as a novel approach for executing sequential extractions of metal species in solid samples” [Anal. Chim. Acta 526 (2004) 177-184]
a Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok 10400, Thailand b Department of Chemistry, Technical University of Denmark, Kemitorvet, Building 207, DK-2800 Kgs, Lyngby, Denmark