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|Title:||Simultaneous Determination of Co and Mn in Urine by ETAAS. Method Development Using a Simplex Optimization Approach.|
|Authors:||IVERSEN Bent; PANAYI Antonia; CAMBLOR Juan pablo; SABBIONI Enrico|
|Citation:||Journal of Analytical Atomic Spectrometry vol. 11 no. 8 p. 591-599|
|Type:||Articles in periodicals and books|
|Abstract:||A fast method for the simultaneous determination of Co and Mn in urine was developed using a multielement Perkin-Elmer SIMAA 6000 graphite furnace atomic absorption spectrophotometer. A simplex optimization was used to established the pyrolysis and the atomization temperature, and the ramp and hold time for the pyrolysis step. The ample preparation was a simple 1+1 dilution, using a diluent of 2% v/v HNO3 and 0.05% m/v Triron X-100 in MilliQ-water. The experimental detection limits were 0.18 ug.l-1 for Co, and 0.09 ug.l-1 for Mn. The recovery studies, to check for bias, have shown acceptable accuracy for the procedure (104% for Co and 100% for Mn, with 15 and 13% RDS respectively).|
|JRC Directorate:||Joint Research Centre Historical Collection|
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