Determination of manganese in water samples by galvanostatic stripping chronopotentiometry in a flow-through cell

The Analyst ◽  
1994 ◽  
Vol 119 (6) ◽  
pp. 1355-1359 ◽  
Author(s):  
Ernest Beinrohr ◽  
Pavol Csémi ◽  
Francisco J. Rojas ◽  
Helena Hofbauerová
Keyword(s):  
Water Samples ◽  
Stripping Chronopotentiometry ◽  
Flow Through

Determination of carbaryl in natural water samples by a surface plasmon resonance flow-through immunosensor

2006 ◽  
Vol 21 (11) ◽  
pp. 2129-2136 ◽  
Author(s):  
E. Mauriz ◽  
A. Calle ◽  
A. Abad ◽  
A. Montoya ◽  
A. Hildebrandt ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Natural Water ◽  
Water Samples ◽  
Natural Water Samples ◽  
Flow Through ◽  
Resonance Flow

scholarly journals Sequential Determination of Total Arsenic and Cadmium in Concentrated Cadmium Sulphate Solutions by Flow-Through Stripping Chronopotentiometry after Online Cation Exchanger Separation

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Frantisek Cacho ◽  
Lukas Lauko ◽  
Alena Manova ◽  
Jan Dzurov ◽  
Ernest Beinrohr
Keyword(s):  
Linear Response ◽  
Cation Exchanger ◽  
Absorption Spectrometry ◽  
Production Plant ◽  
Total Arsenic ◽  
Response Range ◽  
Stripping Chronopotentiometry ◽  
Flow Through ◽  
Linear Response Range

Flow-through stripping chronopotentiometry with a gold wire electrode was used for the determination of total arsenic and cadmium in cadmium sulphate solutions for cadmium production. The analysis is based on the online separation of arsenic as arsenate anion from cadmium cations by means of a cation exchanger. On measuring arsenate in the effluent, the trapped cadmium is eluted by sodium chloride solution and determined in a small segment of the effluent by making use of the same electrode. The elaborated protocol enables a full automatic measurement of both species in the same sample solution. The accuracy of the results was confirmed by atomic absorption spectrometry. The LOD and LOQ for Arsenic were found to be 0.9 μg dm-3and 2.7 μg dm-3, respectively. A linear response range was observed in the concentration range of 1 to 300 μg dm-3for sample volumes of 4 mL. The repeatability and reproducibility were found to be 2.9% and 5.2%, respectively. The linear response range for cadmium was found to be 0.5 to 60 g/L. The method was tested on samples from a cadmium production plant.

scholarly journals Flow-through electrochemistry in the analysis of wine

2022 ◽  
Vol 7 (1) ◽  
pp. 101-106
Author(s):  
Ernest Beinrohr ◽  
Stanislava Hlubikova ◽  
Jarka Lastincova
Keyword(s):  
Heavy Metals ◽  
Thin Layer ◽  
Coulometric Titration ◽  
Ethanol Content ◽  
Low Concentrations ◽  
Stripping Chronopotentiometry ◽  
Flow Through

Flow through coulometry is used for analysis of wine samples for the determination of some heavy metals, sulphites, acidity and ethanol content. Low concentrations of heavy metals and sulphite contents are determined by making use of stripping chronopotentiometry. For the measurement of acid and ethanol content thin-layer coulometric titration is used.

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