potentiometric determination
Potentiometric determination of cetylpyridinium chloride in oral desinfectants by flow injection analysis.
... POTENTIOMETRIC DETERMINATION OF CETYLPYRIDINIUM CHLORIDE IN ORAL DESINFECTANTS BY FLOW INJECTION ...chloride determination in oral disinfectants, based on a flow-injection system with ...
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Direct Potentiometric Determination of Penicillamine in Real Samples by Using Copper ISE
... Described potentiometric determination of Pen was used for measuring concentration of Pen in tested pharma- ceuticals (Table 1). In experiment was used pharmaceutical with Pen, Metalcaptase® 150 mg, Heyl ...
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Quality control in potentiometric determination of acid volatile sulfides (AVS) using standard addition.
... IN POTENTIOMETRIC DETERMINATION OF ACID VOLATILE SULFIDES (AVS) USING STANDARD ...the determination of acid volatile sulfides in environmental samples by ...
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Ion-selective electrode for potentiometric determination of aluminium(III) in fluoride medium.
... Em seguida, avaliou-se o desempenho analítico do eletrodo se- letivo a alumínio(III), estudando-se o efeito da composição da mem- brana seletiva e da concentração de íons fluoreto na cél[r] ...
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Continuous potentiometric monitoring of viagra (sildenafil) in pharmaceutical preparations using novel membrane sensors
... Potentiometric determination of sildenafile citrate in drug formulations in triplicate under static mode of operation using the standard addition method showed results with an average recovery of ...
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J. Braz. Chem. Soc. vol.16 número3B
... Potentiometric determination based on ion selective electrodes (ISEs) of minute quantities of ion species offers great advantages such as adaptable to small sample volume, speed and ease of preparation and ...
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J. Braz. Chem. Soc. vol.9 número3
... The feasibility of the use of a Batch Injection Analysis (BIA) system for potentiometric determination of acetylsalicylic acid in tablets, with a membrane ion selective electrode, was investigated. There is ...
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J. Braz. Chem. Soc. vol.18 número6
... directly into the carrier stream. The final results were expressed as the mean value of three determinations. No other treatment of the sample was required. The percentage content of captopril in these samples was ...
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REDOX INDEX OF SOIL CARBON STABILITY
... As an alternative to the relatively complex and expensive spectroscopic methods, the redox properties of humic acids, determined by potentiometric titrations, have been used to evaluate the stability of soil ...
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J. Braz. Chem. Soc. vol.11 número3
... the potentiometric titrations and the presented buffer (in smaller pH values than expected), but it was still possible to quantify the binding constants for the complexed ...
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Research Article Olive Oil Total Phenolic Contents and Sensory Sensations Trends during Oven and Microwave Heating Processes and Their Discrimination Using an Electronic Tongue
... the potentiometric signals generated by the E-tongue would naturally split the olive oils according to the “type × time” of ...the potentiometric signals data matrix, which was previously centered and ...
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Potentiometric method for copper determination in sugarcane spirit.
... COPPER DETERMINATION IN SUGARCANE ...the potentiometric method and by flame atomic absorption spectrometry with standard ...the potentiometric method may be employed advantageously in routine ...
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Enzyme-based Colorimetric and Potentiometric Biosensor for Detecting Pb (II) Ions in Milk
... of Potentiometric Biosensor The potentiometric biosensor was developed by bringing the ISE in close proximity of biocomponent in the form of enzyme immobilized nylon ...
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Surface complexation modeling in Variable charge SoilS: charge characterization by potentiometric titration
... In contrast with total surface charge estimated by hand calculation, results from titration data optimized in surface complexation models by FItEQL reveal that the weighted sum of squ[r] ...
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Eclet. Quím. vol.28 número1
... a potentiometric method for direct determination of captopril in tablet dosage formu- ...a potentiometric titration of captopril (carboxyl group) in aqueous solutions with sodium hydroxide solution ...
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Determination of sugars.pdf
... Determination of sugars in chestnut (Castanea sativa Mill. ) cultivars fro m Portugal Northeast region by HPLC-RI.. Joao C.M.[r] ...
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J. Braz. Chem. Soc. vol.18 número2
... like potentiometric titration in which the calculations of the ligand acidity constants and metal complexes formation constants are performed in separate ...
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J. Braz. Chem. Soc. vol.17 número7
... The potentiometric selectivity coefficients, which reflected the relative response of the membrane sensor towards the primary ion, over other ions present in solution, perhaps are the most important ...
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Quím. Nova vol.40 número7
... A potentiometric titration profile of KA provides a sharp inflection (Figure 1). The continuous line represents the calculated titration and the sequence of squares represents the experimental titration with the ...
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J. Braz. Chem. Soc. vol.28 número6
... and determination of a relation factor for determination of parathion-methyl, chlorpyriphos and cypermethrin pesticides in environmental aqueous matrices with distinct characteristics (river water, ...
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