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|Título:||Development of a Turbidimetric Sequential Injection System to Monitor the Codfish Desalting Process|
|Autor:||Santos, Inês C.|
Galvis-Sánchez, Andrea C.
Rangel, António O.S.S.
Turbidimetric chloride determination
|Citação:||SANTOS, Inês C. ...[et al.] - Development of a Turbidimetric Sequential Injection System to Monitor the Codfish Desalting Process. Food Analytical Methods. ISSN 1936-976X. Vol. 5, n.º 2 (2012), p. 287–295|
|Resumo:||Salt-cured codfish represents an ancient process of preservation but requires the rehydration of the codfish with the correspondent salt removal. This work describes the development of a sequential injection system for the online turbidimetric determination of chloride during a simulated desalting process. The samples are directly aspirated to the manifold with no need for previous offline treatments; this was possible due to the use on an inline dialysis process; a quantification range from 50.0 mg/L to 20.0 g/L was established using the same manifold configuration. For monitoring the entire process, involving several chloride determinations (ca. 10), less than 3 mL of the desalting water was needed. Furthermore, the overall reagent consumption was quite low: 0.211 mg of AgNO3, 30.6 mg of HNO3, and 31.1 μg of PVA per determination. The accuracy of the system was evaluated by comparison with a potentiometric reference method. The determination rate was 28 and 31 h−1 according to the chloride concentration range. Several simulated desalting processes, under different conditions, were effectively monitored with the developed method.|
|Versão do Editor:||DOI 10.1007/s12161-011-9238-9|
|Aparece nas colecções:||CBQF - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review|
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