A combined ion-exchange-spectrophotometric determination of vanadium in sea and natural waters
โ Scribed by Tetsuya Kiriyama; Rokuro Kuroda
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 312 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0003-2670
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๐ SIMILAR VOLUMES
## An on-line column preconcentration technique for flow-injection flame atomic absorption spectrometry has been developed for the determination of trace metals in natural waters. A minicolumn (20 mm X 2 mm id.) filled with a poly(aminophosphonic acid) chelating resin (PAPhA, 20-30 mesh) was used
Ammonmm eons m natural waters at the 50 pg I-' level were determmed usmg Nessler reagent after preconcentratlon m a cation-exchange column coupled to a flow-inJectIon analysis (FIA) system The loadmg cycle, the elutlon cycle and the regeneration cycle were programmed for the resm used The zone samph