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Mesoporous materials were employed as fast, sensitive and efficient fiber coatings of solid-phase microextraction (SPME) for the first time. Three micrometer as-synthesized C 16 -MCM-41 particles were immobilized onto stainless steel wire with 100μm coating thickness. In combination with high performance liquid chromatography (HPLC), extraction efficiency and selectivity of C 1 ...
A liquid ion-selective membrane electrode containing a chloroform-acetonitrile (10:1) solution of the complex of In(III) with 1-benzyl-3-methyl-4-benzoyl-5-pyrazolone (PMBP) and diphenylguanidine is described. The basic electrode performance characteristics were evaluated according to IUPAC recommendations. The slope of the calibration graph (electrode potential v. concentration) was 18.7 mV (pIn)...
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