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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lima, Jlfc
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Publications (6/6 displayed)
- 2012pH sensitive silica nanotubes as rationally designed vehicles for NSAIDs deliverycitations
- 2009Multisyringe flow injection analysis system for automation of standard addition calibration methodcitations
- 2006Tubular potentiometric detector used to determine As(V) in sediment extracts by flow injectioncitations
- 2006Inhibition of human neutrophil oxidative burst by pyrazolone derivativescitations
- 2002Automatic potentiometric flow titration procedure for ascorbic acid determination in pharmaceutical formulationscitations
- 2001Automatic flow titrator based on a multicommutated unsegmented flow system for alkalinity monitoring in wastewaterscitations
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article
Multisyringe flow injection analysis system for automation of standard addition calibration method
Abstract
In the present work, the multi-channel features of multisyringe flow injection analysis (MSFIA) were exploited for the first time to implement calibration based on standard addition method (SAM). For this, standard solutions containing different concentrations of target analyte were placed in each syringe of the multisyringe and connected to a flow network where in-line mixing of sample and standard through a merging zone approach was established prior to detection of analyte. Using this strategy, artifacts reported before in SAM using flow injection analysis were avoided as the concentration of the analyte in the resulting mixture was related to the dilution of sample and added standard within the system, and the concentration of all matrix components was kept constant during all measurements. The feasibility of the proposed MSFIA system was assessed through application to potentiometric determination of chloride ion in electroplating bath and milk samples. Results obtained for samples (n = 15) were not statistically different from those provided by titrimetric procedures, with an excellent throughput (20-31 samples h(-1)), comprising fourlevel addition of chloride ion.