Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/10024
Título: Sequential injection system exploring the standard addition method for phosphate determination in high salinity samples: interstitial, transitional and coastal waters
Autor: Mesquita, Raquel
Santos, Inês Carvalho
Bordalo, Adriano Agostinho
Rangel, António O. S. S.
Data: 2012
Editora: Royal Society of Chemistry
Citação: MESQUITA, Raquel ...[et al.] - Sequential injection system exploring the standard addition method for phosphate determination in high salinity samples: interstitial, transitional and coastal waters. Analytical Methods. ISSN 1759-9679. Vol. 4, n.º 5 (2012), p. 1452-1457.
Resumo: A sequential injection system for phosphate determination within a wide concentration range was developed for water samples with high salinity levels. The determination is based on molybdenum blue chemistry using the standard addition quantification method. The detection system included a multireflective flow cell coupled to a light emitting diode, enabling the minimization of the schlieren effect. The developed system gave a LOD of 0.3 mmol P L 1 and LOQ of 1.1 mmol P L 1 with a sample consumption of 125 mL. A determination rate of about 30 h 1 was obtained, and the developed method was effectively applied to interstitial, transitional and coastal waters.
Descrição: Technical Note
Peer review: yes
URI: http://hdl.handle.net/10400.14/10024
Versão do Editor: DOI: 10.1039/c2ay05792a
Aparece nas colecções:CBQF - Outros

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