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A Simple Detection of Hg (11) down to ppm Level Employing Rhodamine Hydrazine Impregnated on a Solid-Phase Membrane 被引量:1
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作者 Suntorn Suwannashom Syarifah Hikmah Julinda +1 位作者 Preeda Parkpian srung smanmoo 《Journal of Chemistry and Chemical Engineering》 2011年第5期383-392,共10页
In the methanolic solution, the selectivity of rhodamine hydrazide (RhH) was simply switched from Cu2+ to Hg2+ ions. For the optimal absorption of RhH onto a solid-phase membrane, pure methanol was used to dissolv... In the methanolic solution, the selectivity of rhodamine hydrazide (RhH) was simply switched from Cu2+ to Hg2+ ions. For the optimal absorption of RhH onto a solid-phase membrane, pure methanol was used to dissolve RhH prior to the impregnation. Of solid-phase membranes tested, the filter paper was chosen due to its cost-effectiveness and good detection limit of Hg2+ ion. The detection limit of the RhH impregnated filter paper for the detection of Hg2+ ion was determined to be under 2 ppm both fluorescent and colorimetric detection. 展开更多
关键词 Fluorescent sensor colorimetric sensor rhodamine hydrazine Hg2+ ion.
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