http://www.cnr.it/ontology/cnr/individuo/prodotto/ID29447
A new, rapid and reliable method for the determination of sulphur reduced (S-II) species in natural water discharges. (Articolo in rivista)
- Type
- Label
- A new, rapid and reliable method for the determination of sulphur reduced (S-II) species in natural water discharges. (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Montegrossi G.(1); Tassi F.(2); Vaselli O.(2); Bidini E.(2); Minissale A.(1) (literal)
- Pagina inizio
- Pagina fine
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- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 - CNR Ist. Geoscienze Georisorse, Firenze
2 - Dip. Scienze Terra, UNI-FI (literal)
- Titolo
- A new, rapid and reliable method for the determination of sulphur reduced (S-II) species in natural water discharges. (literal)
- Abstract
- The determination of reduced S species in natural waters is particularly difficult due to their high instability and chemical and physical interferences in the current analytical methods. In this paper a new, rapid and reliable analytical procedure is presented, named the Cd-IC method, for their determination as Sigma S2- via oxidation to SO42- after chemical trapping with an ammonia-cadmium solution that allows precipitation of all the reduced S species as US. The S2--SO4 is analysed by ion-chromatography. The main advantages of this method are: low cost, high stability of US precipitate, absence of interferences, low detection limit (0.01 mg/L as SO4 for 10 mL of water) and low analytical error (about 5%). The proposed method has been applied to more than 100 water samples from different natural systems (water discharges and cold wells from volcanic and geothermal areas, crater lakes) in central-southern Italy. (literal)
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- Autore CNR
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