@article{article0c37875e,
title   = {Direct determination of iron in sand using solid sampling graphite furnace atomic absorption spectrometry},
author = {Silva, Cíntia Soares da and Nomura, Cassiana Seimi and Nóbrega, Joaquim de Araújo and Oliveira, Pedro Vitoriano de},
year = {2008},
doi = {10.1007/s00604-007-0788-x},
journal   = {Microchimica Acta}
}