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Direct Simultaneous Determination for Ultratrace As, Se and Sb in River Water with Graphite-Furnace Atomic Absorpion Spectrometry by TiO2-Slurry Sampling
A simple analytical method was established for the simultaneous multielement determination of As, Se and Sb in river water with GF-AAS using TiO2-slurry sampling. Titanium dioxide (TiO2, <0.5 μm) was applied as a sorbent to separate and concentrate these elements in a sample solution (100 -300 ml); after filtration, a slurry was prepared with the solid phase and 5.0 ml of ultrapure water. In order to apply to river-water samples, the effect of TiO2 in atomization, the effect of organic speciesdoi:10.2116/analsci.23.365 pmid:17372383 fatcat:v422mdiirvdcpm6ab5p4j3t3qm