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A novel adsorbent was developed by coating Mg–FeCO 3 layered double hydroxides (LDHs) on cellulose fibre. The LDHs take up significant amount of selenite and selenate in a wide pH range with similar sorption capacities (pH 3.8–8.0 for selenite and pH 5.8–7.0 for selenate). A mini-column packed with Mg–FeCO 3 LDHs layer coated cellulose fibre particles was incorporated into a sequential...
Due to high toxicity, inorganic arsenic (iAs) species are the focus of monitoring effort worldwide. In this work arsenic was first extracted from rice by microwave-assisted digestion in HNO 3 –H 2 O 2 , during which As III was oxidized to As V . Silica-based strong anion exchange cartridges were used to separate As V from organic forms. After prereduction...
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