نتایج جستجو برای: potentiometric determination

تعداد نتایج: 253339  

Journal: :Chemosensors 2022

In recent years, the use of ion-selective membranes in sensing and assessment environmental contaminants has become a critical goal. Using sodium tetraphenylborate (TPB) phosphotungstic acid (PTA) as ion-pairing agents, two sensitive selective sensors were manufactured to evaluate electrochemical response moxifloxacin hydrochloride (MOX). The optimal behavior was attained by fine-tuning all ass...

2012
Hérida Regina Nunes Salgado

From this study, methods for quantitative analysis were developed to determine cefuroxime sodium in the raw material and in pharmaceutical formulat ions. These tests included instrumental methods such as spectrophotometry in the ultraviolet, visib le and infrared, h igh performance liquid chromatography and potentiometric determination by microbio logical methods (agar diffusion and turbidimetr...

Journal: :Angewandte Chemie 2007
Eric Bakker Ernö Pretsch

For most chemists, potentiometry with ion-selective electrodes (ISEs) primarily means pH measurements with a glass electrode. Those interested in clinical analysis might know that ISEs, routinely used for the determination of blood electrolytes, have a market size comparable to that of glass electrodes. It is even less well known that potentiometry went through a silent revolution during the pa...

Journal: :Clinical chemistry 1992
P Ostapczuk

The commercially available equipment for potentiometric stripping analysis (PSA) was tested for routine lead and cadmium determination in whole-blood samples. In contrast to anodic stripping voltammetry, PSA is not subject to background interferences from organic electroactive constituents in the sample or to the presence of dissolved oxygen (i.e., oxygen removal is not necessary). To determine...

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