Cathodic stripping voltammetry
Evaluation of aluminum lability in yerba mate infusions by adsorptive cathodic stripping voltammetry.
... ADSORPTIVE CATHODIC STRIPPING ...Adsorptive Cathodic Stripping Voltammetry using DASA (complexing agent) was applied to determine the labile fraction of Al at pH ...
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J. Braz. Chem. Soc. vol.16 número3A
... environments. Stripping techniques are frequently used, due to their sensitivity and ...Anodic Stripping Voltammetry (DPASV) and Differential Pulse Adsorptive Cathodic Stripping ...
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Electrochemical reduction and cathodic stripping voltammetric determination of clotrimazole
... The reduction of clotrimazole at a mercury electrode, in phosphate buffer, pH>6, involves a reversible one-electron process. The electrochemical process presents a large contribution from adsorption effects. For the ...
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Determination of manganese in particulate matter of workplace environments using a boron-doped diamond electrode and cathodic stripping square wave voltammetry.
... Wave Cathodic Stripping Voltammetry”) com eletrodo de diamante dopado com boro, validando os resultados por comparação com ICP OES, técnica adota- da pela “National Institute of Organization Safety ...
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Voltammetric characteristics of miconazole and its cathodic stripping voltammetric determination
... Miconazole is reduced at mercury electrode above pH 6 involving organometallic compound formation, responsible for an anomalous polarographic behavior. The electrodic process presents a large contribution of the ...
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J. Braz. Chem. Soc. vol.14 número4
... (more cathodic) was chosen for the analytical application because of its higher peak current, its independence on pH and the favorable pH range, since most natural waters (including this soil suspension) present ...
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N,N '-dimethyl-N,N '-dicyclohexylsuccinamide: A novel molecule for the separation and recovery of Pd(II) by liquid-liquid extraction
... containing Pd(II) and Pt(IV) was subjected to a second extraction with 0.05 M of DMDCHSA in 1,2-DCE. The percentage of Pd(II) and Pt(IV) extraction did not exceed 60% (60% and 49%, respectively), as shown in Fig. 6 - 2nd ...
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Neurectomia digital em eqüinos: comparação das técnicas guilhotina e stripping.
... Na técnica de stripping, para cada ramo, foram realizadas duas incisões de pele. Primeiro, realizou-se a incisão distal, de 1,5 a 2cm, abaxial ao tendão flexor digital profundo e imediatamente proximal à ...
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Destilação da miscela II: modelagem e simulação do stripping do hexano.
... DISTILLATION OF THE MISCELLA II: MODELING AND SIMULATION OF THE HEXANE STRIPPING. In the soybean oil extraction process make the Miscella that is a mixture of oil and hexane. The separation process in both ...
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Square wave voltammetry. Second part: applications.
... wave voltammetry”) é uma técnica voltamétrica de pulso onde a forma do pico de corrente resultante é proveniente da sobreposição de pulsos de potencial de altura a (amplitude de pulsos), a uma escada de po- ...
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Quím. Nova vol.28 número6
... The platinum oxide is immediately recuperated by anodic oxidation of the platinum surface at the anodic stripping potential. Only at such high overpotential the platinum surface is cleared of adsorbed CO and only ...
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Recuperação da amônia liberada no processo de "air stripping" aplicado ao tratamento...
... O lixiviado de aterros sanitários é um efluente líquido poluente devido, principalmente, à sua elevada concentração de amônia. Seu tratamento faz-se necessário para que sejam atendidas as exigências das legislações ...
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Manufacture, characterisation and analytical application of nanomaterials in sensor devices
... To finish with the CV studies, some questions concerning the capacity of the electrodes should be stated. This parameter gives an idea about the amount of ...
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Square wave voltammetry. Part I: theoretical aspects.
... SQUARE WAVE VOLTAMMETRY. PART I: THEORETICAL ASPECTS. The theoretical aspects of square wave voltammetry were discussed. Reversible, irreversible and quase-reversible electrode reactions were analyzed and ...
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CATHODIC BEHAVIOUR of ANODIZED TITANIUM IN SIMULATED PHYSIOLOGICAL CONDITIONS
... cyclic voltammetry. The results show that the intensity of the cathodic current peak related to oxy- gen reduction at around ...previous cathodic processes: the hydrogen formation and the ...
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Modeling and Control of Impressed Current Cathodic Protection (ICCP) System
... the cathodic protection is used throughout the world [6]. Cathodic protection(CP) is an electrical method to prevent corrosion on metallic structures which are buried or submerged in electrolytes such as ...
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TECNOLOGIAS PARA A PRODUÇÃO E PURIFICAÇÃO DO PVC
... O MVC é reconhecidamente um agente altamente cancerígeno, razão pela qual suas plantas de produção, assim como as de polimerização do PVC, atendem a normas rígidas de saúde ocupacional, mantendo os níveis de MVC ...
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J. Braz. Chem. Soc. vol.25 número5
... voltammetric determination of diltiazem. It was observed that for the same concentration, O-desacetyl diltiazem and N-desmethyl diltiazem have the same voltammetric response of diltiazem, appearing at the same potential ...
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TECHNICAL CONSIDERATIONS REGARDING THE USE OF STAIRCASE SWEEP VOLTAMMETRY.
... SWEEP VOLTAMMETRY. Cyclic voltammetry has become one of the most useful tools in modern electrochemistry, but the use of digital potentiostats should be treated with caution by ...Staircase ...
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“Stripping” ortodôntico/desgaste interproximal do esmalte: obtenção de espaço no tratamento ortodôntico
... 5- Independentemente da técnica utilizada para a realização do procedimento, seja com tiras de lixa, discos abrasivos ou brocas diamantadas, o factor diferencial p[r] ...
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