An automated robotic method for sample pretreatment was developed for copper determination in environmental and biological materials at the low microgram per gram level. The robotic station performing the preliminary operations as weighing of sample and acid digestion was coupled with the flowinject
Application of Flow Injection On-Line Electrothermal Atomic Absorption Spectrometry to the Determination of Rhodium
✍ Scribed by Fuensanta Sánchez Rojas; Catalina Bosch Ojeda; José Manuel Cano Pavón
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 75 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0003-4592
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ment factor of 47 in comparison with direct injection of 45 lL aqueous solution was obtained at a sampling frequency of 31 h 1מ . The detection limit (3 r) was found to be 2.8 ng L 1מ . The precision was 3% relative standard deviation (RSD) at the 0.2 lg L 1מ level (n ס 11). The results obta
A flow-injection on-line system was developed for the trace determination of cobalt by flame atomic absorption spectrometry (FAAS) with separation and preconcentration on a minicolumn packed with a poly(aminophosphonic acid) chelating resin (PAPhA). This resin allows the selective separation of coba