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Synthesis and application of acrylamide-maleic anhydride copolymer for solid phase extraction

机译:固相萃取丙烯酰胺 - 马来酸酐共聚物的合成与应用

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A new absorbent of acrylamide-maleic anhydride copolymer (PAMMA) for preconcentration of metal ions was synthesized. This PAMMA was applied for enrichment and determination of Al~(3+), Cu~(2+), Cd~(2+) and Pb~(2+) in table salt by ICP-OES. The maximum uptake capacities of PAMMA were 6.49, 5.84, 5.34 and 7.49 mg g~(-1) for Al~(3+), Cu~(2+), Cd~(2+) and Pb~(2+), respectively. The limit of detection was 0.31, 0.26, 0.43, and 0.12 ug L~(-1), and the RSD (relative standard deviations, n=6) was 1.5%, 3.7%, 3.0% and 2.6% for Al~(3+), Cu~(2+), Cd~(2+) and Pb~(2+), respectively. The presented method was used for simultaneous detecting of Al~(3+), Cu~(2+), Cd~(2+) and Pb~(2+) in table salt with the recoveries from 95.0% to 103%.
机译:合成了一种新的金属离子前浓缩的丙烯酰胺 - 马来酸酐共聚物(PAMMA)的丙烯酰胺 - 马来酸酐共聚物(PAMMA)。通过ICP-OES施用该鼠标盐的富集和测定表盐中的Al〜(3+),Cu〜(2+),Cd〜(2+)和Pb〜(2+)。 Al〜(3+),Cu〜(2+),CD〜(2+)和Pb〜(2+),裸动物的最大摄取容量为6.49,5.84,5.34和7.49mg g〜(-1),分别。检测限为0.31,0.26,0.43和0.12 ug l〜(-1),RSD(相对标准偏差,n = 6)为Al〜(3)的1.5%,3.7%,3.0%和2.6% +),Cu〜(2+),CD〜(2+)和PB〜(2+)。该方法用于同时检测表盐中的Al〜(3+),Cu〜(2+),Cd〜(2+)和Pb〜(2+),回收率为95.0%至103%。

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