2018
DOI: 10.21577/0100-4042.20170223
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Extração em fase sólida de resíduos de agrotóxicos de água superficial, empregando um sorvente de menor retenção

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Cited by 8 publications
(2 citation statements)
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“…The mixture was vortexed for 60 s and, and after that, 1.00 mL of the supernatant was analyzed by HPLC-DAD. Si(PDAS) 37 and Si(PGPMS) 38 adsorbents were prepared in our laboratory and chosen for their moderate polarities between PSA (polar) and C 18 (apolar). So, the polarity scale of the adsorbents was PSA > Si(PGPMS) > Si(PDAS) > C 18 .…”
Section: Methodsmentioning
confidence: 99%
“…The mixture was vortexed for 60 s and, and after that, 1.00 mL of the supernatant was analyzed by HPLC-DAD. Si(PDAS) 37 and Si(PGPMS) 38 adsorbents were prepared in our laboratory and chosen for their moderate polarities between PSA (polar) and C 18 (apolar). So, the polarity scale of the adsorbents was PSA > Si(PGPMS) > Si(PDAS) > C 18 .…”
Section: Methodsmentioning
confidence: 99%
“…A análise do pH da amostra em uma extração em fase sólida é essencial, visto que os compostos possuem características físicas e químicas variadas, como por exemplo valores de pKa, podendo estar fracamente ionizados quando ligados a fase extratora, denotando menor retenção (AGUIAR JÚNIOR, et al, 2018).…”
Section: Otimização Do Ph Da Amostraunclassified