Determination of Polymeric Aluminum in Soil Extracted with a Modified Anion-Exchange Resin as a Solid-Phase Adsorbent by ICP-AES

Atomic spectrometry update. Advances in atomic emission, absorption and fluorescence spectrometry, and related techniques

“…Polymeric Al in soil was preceoncentrated with a modified anion-exchange resin, and determined by ICP-AES in a method described by Luo et al 61 By preconcentrating the polymeric Al portion, the total Al and the monomeric Al (by difference) portions of the soil extracts could also be determined. The resin used for this task was prepared with impregnated 8-hydroxyquinoline-5-sulfoxinate (HQS) on an anion-exchange resin.…”

Preparation of a high pH-resistant AAPTS-silica coating and its application to capillary microextraction (CME) of Cu, Zn, Ni, Hg and Cd from biological samples followed by on-line ICP-MS detection

“…However, conventional techniques for the separation/preconcentration of trace metals, including liquid-liquid extraction (LLE) [12], cloud point extraction (CPE) [13] and solid phase extraction (SPE) [14], are time consuming and labor intensive, which require large volumes of sample and reagents. This is especially the case when limited sample amount is available for forensic, biological and clinical fields.…”

Unusual visible luminescence of aluminium polyoxocations in aqueous solution

“…15 A combined solid-phase extraction and ICP-AES method was also proposed to determine K-Al 13 in solution. 16 It is reported that 27 Al NMR has low sensitivity and is expensive, while the indirect methods are only suitable for the rather pure samples. The acid-base chemistry, structural and NMR properties of these polyoxocations were investigated, 17 but their optical properties have not been reported up to date.…”

“…The K-Al 13 solution has the chemical shift of 63 ppm for the tetrahedral AlO 4 -site, and the Al 30 solution has two unique chemical shifts at about 72 ppm and 11 ppm, consistent with the results by Allouche et al 10 and Fu et al 20 K-GaAl 12 was confirmed by 71 Ga NMR with the chemical shift of around 139 ppm, while the K-GeAl 12 solution only shows a small 27 Al NMR peak from the monomeric aluminium, which are in accordance with the results by Stewart et al 1 K-GeAl 12 was confirmed by inductively coupled plasma atomic emission spectroscopy. 16 College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China. E-mail: qianzhaosheng@zjnu.cn, fenghui@zjnu.cn; Fax: +86-579-82282269; Tel: +86-579-82282269 w Electronic supplementary information (ESI) available: The 27 Al NMR, 71 The luminescence of these aluminium polyoxocations was recorded in the mode of fluorescence.…”

“…15 Moreover, this method is simpler than ferron timed-photometry and the combined solid-phase extraction and ICP-AES method. 16 Fig. 6 displays the comparison of fluorescence changes of K-Al 13 induced by 11 metal ions and 4 anions.…”