Orientador(es)
Resumo(s)
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
Palavras-chave
Contexto Educativo
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.
Editora
Royal Society of Chemistry