determinação de bifenilos policlorados em milho através de extração em fase sólida seguida de cromatografia a gás acoplada à espectrometria de massas
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ID: 249520
2012
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Abstract
This paper describes an analytical method for analyzing polychlorinated biphenyls in corn samples using solid phase extraction (SPE) followed by determination by GC-MS. All calibration curves proved linear (r> 0.99). Recoveries ranged between 74.1 and 110.6% with relative standard deviation lower than 20% for all compounds. The limits of quantitation for the method were between 0.025 and 0.1 ng g-1. Of the 51 samples analyzed, PCB 180 showed the highest frequency, being detected in more than 39%, followed by PCB 138, detected in more than 33% of samples.
| Reference Key |
schwanz2012qumicadeterminao
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|---|---|
| Authors | ;Thiago Guilherme Schwanz;Susana Mohr;Liliane Medianeira Favero Porte;Nilo Zanatta;Helio Gauze Bonacorso;Marcos Antônio Pinto Martins;Joni Hilda Costabeber |
| Journal | greece and rome |
| Year | 2012 |
| DOI |
10.1590/S0100-40422012000300021
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| URL | |
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