نتایج جستجو برای: coulometry

تعداد نتایج: 183  

Journal: :Journal of The Electrochemical Society 2022

Single crystal Li[Ni 0.5 Mn 0.3 Co 0.2 ]O 2 //graphite (NMC532) pouch cells with only sufficient graphite for operation to 3.80 V (rather than ≥4.2 V) were cycled charging either 3.65 or facilitate comparison LiFePO 4 (LFP) on the grounds of similar maximum potential and negative electrode utilization. The NMC532 cells, when constructed be charged V, have an energy density that exceeds LFP a cy...

2008
William Larsson

Moisture determination is of great importance in the production and use of many substances. For example, the moisture content can affect the efficiency of a chemical reaction or determine the shelf life of pharmaceuticals or foods. The standard method for moisture determination is Karl Fischer (KF) titration, based on either volumetry or coulometry. This thesis concerns new approaches to trace ...

Journal: :Clinical chemistry 2004
Linda Lambert John Caban Dennis W Jay

corresponding to 12.5 moles of KSCN, to 10 mL of ISE solution 1, which contains 115 mmol/L NaCl. Because of the high sensitivity of the chloride electrode for KSCN, this solution mimics a chloride concentration of 120 mmol/L. A loss of selectivity should lead to markedly increased values. After placement of a new electrode, results for the selectivity control solution gradually increased with a...

Journal: :Journal of diabetes science and technology 2008
Shridhara Alva

BACKGROUND Abbott Diabetes Care introduced the FreeStyle Lite blood glucose monitoring system, which simplifies the management of diabetes. The FreeStyle Lite system relies on FreeStyle technology but eliminates the need for coding the meter for individual strip lots. The meter is precoded for the FreeStyle Lite strips. FreeStyle systems use coulometry technology where the glucose signal is cal...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2006
Toshiaki Asakai Hisao Hara Mariko Murayama Tatsuhiko Tanaka

The precipitation titration of sodium chloride with electrogenerated silver ion was studied. The production of a precipitate of silver chloride had a significant effect on the titration results because the precipitate involved unreacted chloride or unreacted silver ion. The accuracy of the method was investigated by changing the introduction time of a sodium chloride solution to the coulometric...

Journal: :Analytica Chimica Acta 2021

The modulation of the ion-fluxes across a polymeric membrane is important for designing attractive methodologies. As an alternative to commonly used dynamic electrochemistry approaches, light can be as external stimulus and provides very convenient way manipulate ions release and/or extraction into membrane. Herein, we designed solid-contact ion-selective sensor that exhibits response by irradi...

Journal: :Electrochemistry Communications 2021

The strategy proposed herein employs the scanning electrochemical microscope in a generation collection like mode to depict mechanism implied electrosynthesis of metal oxides nanoparticles, NPs. It offers simultaneous NPs precursors and single NP-level electroanalysis by nanoimpact coulometry. former process is operated under controlled fluxes within wide field precursor diffusion inter-MEs gap...

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