High-Performance Waste Cellulose Based Adsorbent Used for Determination of Ag(I) Coordination Anions
作者： Zhenning Lou , Siqi Wen , Li Wan , Peng Zhang , Yuejiao Wang
DOI: 10.1007/S10924-017-1111-5
关键词: Elution 、 Electrolyte 、 Thiourea 、 Nickel 、 Adsorption 、 Inorganic chemistry 、 Selectivity 、 Detection limit 、 Chemistry 、 Cellulose
摘要: Cellulose adsorbent containing hydrosulphonyl groups based on ammonia–thiosemicarbazide modified waste paper was synthesized (PWP-Cl-TSC). A simple and highly efficient separation/preconcentration procedure developed for the determination of trace levels coordination anions AgCli 1−i in perchloric samples via PWP-Cl-TSC. The sample were adsorbed PWP-Cl-TSC packed into a micro-column then eluted with thiourea (0.73 mol L−1)—HCl (0.2 L−1). Under optimal conditions, analytical range linear 0.02–0.2 μg mL−1. detection limit precision this method by flame atomic absorption spectrometry 1.74 ng mL−1 6.48% (n = 8), respectively. accuracy assessed using actual Ag(I), such as nickel electrolyte groundwater Lianhua Mountain districts. Moreover, can be applied to identify silver speciation due its selectivity toward anions.
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