Direct sampling of ion.exchanger suspensions for atomic absorption spectrometry with electrothermal atomization
Direct sampling of ion.exchanger suspensions for atomic absorption spectrometry with electrothermal atomization
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电热雾化原子吸收光谱法中离子交换剂悬浮液的直接采样
DOI：
10.1016/s0003-2670(01)93122-8
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发表时间：
1979
期刊：
影响因子：
--
通讯作者：
Z. Slovák
中科院分区：
文献类型：
--
作者：
Z. Slovák
螯合离子交换树脂与吸附元素的悬浮液可以直接注入到Massmann炉中;重现性与溶液取样中达到的重现性相似。该程序提供了在同一基质中制备标准品和样品的可能性，从而避免了通常的标准化问题。详细讨论了测定1-50 ng汞结合在树脂与硫醇基团的技术。本文还介绍了用8-羟基喹啉吸附乙二醇甲基丙烯酸酯凝胶后测定钴、镍和钼（1-16 ng）的方法。
Suspensions of chelating ion-exchange resins with sorbed elements can be injected directly into a Massmann furnace; the reproducibility is similar to that achieved in sampling of solutions. This procedure offers the possibility of preparing standards and samples in the same matrix and so avoiding the usual standardization problems. The technique is discussed in detail for the determination of 1–50 ng of mercury bound on a resin with thiol groups. Methods for the determination of cobalt, nickel and molybdenum (1–16 ng) after sorption on glycolmethacrylate gels with bound 8-hydroxyquinoline are also described.