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To understand the formation of plumbane in the PbII-NaBH4-K3Fe(CN)6 system, the intermediate products produced in the reaction of lead(II) and NaBH4 in the presence of K3Fe(CN)6 were studied. The produced plumbane and elemental lead were measured through continuous flow hydride generation (HG)-inductively coupled plasma optical emission spectrometry (ICP OES) and X-ray diffraction spectrometry techniques,...
A novel interface for on line coupling capillary electrophoresis with hydride generation electrothermal atomic absorption spectrometry (CE–HG–ETAAS) has been developed. The interface performance was examined in detail. The technique could be used to convert arsenic compounds from CE separation to corresponding volatile hydrides determined by HG–ETAAS. This paper aims to explore the best condition...
A new method has been developed for following the interaction between zinc ion and human serum albumin (HSA) by capillary electrophoresis–inductively coupled plasma optical emission spectrometry. Under optimized experimental conditions, the detection limit (3σ) for free Zn 2+ ion was found to be 1.34μM by running 11 replicates of the reagent blank. The RSD was less than 3% and the recovery...
A novel on-line coupled capillary electrophoresis (CE) cold vapor generation (CVG) with electrothermal quartz tube furnace atomic absorption spectrometry (EQTF-AAS) system for mercury speciation has been developed. The mercury species (inorganic mercury and methylmercury) were completely separated by CE in a 80cm length×100μm i.d. fused-silica capillary at 20kV and using a buffer of 100mM boric acid...
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