BROMINE AND IODINE DETERMINATION IN EDIBLE SEAWEED BY ICP-MS AFTER DIGESTION BY MICROWAVE-INDUCED COMBUSTION | Zendy

Márcia F. Mesko | Zendy; Isis Gonçalves Toralles | Zendy; Marcelo Guerreiro Crizel | Zendy; Vanize Caldeira Costa | Zendy; Natanael Rodrigo Xavier Pires | Zendy; Cláudio M. P. Pereira | Zendy; Rochele S. Picoloto | Zendy; Paola A. Mello | Zendy

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BROMINE AND IODINE DETERMINATION IN EDIBLE SEAWEED BY ICP-MS AFTER DIGESTION BY MICROWAVE-INDUCED COMBUSTION

Author(s) -

Márcia F. Mesko,

Isis Gonçalves Toralles,

Marcelo Guerreiro Crizel,

Vanize Caldeira Costa,

Natanael Rodrigo Xavier Pires,

Cláudio M. P. Pereira,

Rochele S. Picoloto,

Paola A. Mello

Publication year - 2014

Publication title -

química nova

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.214

H-Index - 73

eISSN - 1678-7064

pISSN - 0100-4042

DOI - 10.5935/0100-4042.20140156

Subject(s) - bromine , iodine , microwave , combustion , microwave digestion , digestion (alchemy) , chemistry , environmental chemistry , pulp and paper industry , chromatography , organic chemistry , detection limit , engineering , telecommunications

A method based on microwave-induced combustion (MIC) was applied for the decomposition of different types of edible seaweed (Nori, Hijiki and Wakame) for subsequent determination of bromine and iodine by inductively coupled plasma mass spectrometry (ICP-MS). Decomposition of 500 mg of each sample was achieved in less than 30 min. A single and diluted solution (150 mmol L-1 (NH4)2CO3) was used for the absorption of both analytes and a reflux step of 5 min was applied to improve analyte recoveries. Accuracy was evaluated using certified reference materials and agreement was between 103 and 108% for both elements

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