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Luminescent particles of lead carboxymethyl cellulose (Pb(CMC) 2 ), which contains salicyl fluorones (THBF), Pb(CMC) 2 -THBF, were synthesized by sol–gel method. Pb(CMC) 2 -THBF can emit intense and stable solid substrate room temperature phosphorescence (SS-RTP) on filter paper. EDTA can chelate the Pb 2+ in Pb(CMC) 2 -THBF, causing it decompose into aqueous...
A new solid substrate-room temperature phosphorimetry method for the determination of trace mercury has been established. It bases on the fact that in acetic acid medium, Hg 2+ ion can catalyze the substitute reaction of CN - ligand in [Fe(CN) 6 ] 4- by 2,2'-bipyridyl (bipy), and the resultant [Fe(bipy) 3 ] 2+ cation can react with FinBr...
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