https://www.selleckchem.com/pr....oducts/qnz-evp4593.h
We reported a novel colorimetric method for highly selective halide ions (Cl-, Br-and I-) recognition by Ag nanoclusters hydrogel (Ag-NCs hydrogel). The Ag-NCs hydrogel could discriminate Cl-, Br-and I- ions from a wide range of environmentally important anions, identified by the distinct UV-vis absorption band changes or the change in the color of Ag-NCs hydrogel. On the basis of this strategy, 20 μM and 200 μM of Cl-, 5 μM and 100 μM of Br-, 5 μM and 100 μM of I- could be recognized within 5 min by UV-vis spectrum and naked eye ob
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