[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Souto, 1994 - Google Patents

Electronic configurations in potentiostats for the correction of ohmic losses

Souto, 1994

Document ID
15393496873684098003
Author
Souto R
Publication year
Publication venue
Electroanalysis

External Links

Snippet

Recent trends in the design of potentiostats capable of correcting for ohmic losses occurring in electrochemical cells are reviewed. The various effects of ohmic drop occurrence and their influence on diverse electroanalytical techniques are considered, as well as …
Continue reading at analyticalsciencejournals.onlinelibrary.wiley.com (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/447Systems using electrophoresis
    • G01N27/44704Details; Accessories
    • G01N27/44743Introducing samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/48Polarography, i.e. measuring changes in current under a slowly-varying voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28Electrolytic cell components
    • G01N27/30Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327Biochemical electrodes electrical and mechanical details of in vitro measurements
    • G01N27/3271Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/42Measuring disposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/423Coulometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/22Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/04Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants; Measuring impedance or related variables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00Measuring arrangements involving comparison with a reference value, e.g. bridge

Similar Documents

Publication Publication Date Title
Berzins et al. Oscillographic polarographic waves for the reversible deposition of metals on solid electrodes
CN102472774B (en) Wide dynamic range electrometer with a fast response
Britz iR elimination in electrochemical cells
US3868578A (en) Method and apparatus for electroanalysis
US5180968A (en) Method and apparatus for compensation of double layer charging current in electrochemical cells
Osakai et al. Ac polarographic study of ion transfer at the water/nitrobenzene interface.
McKubre et al. Measuring techniques and data analysis
DE69326921D1 (en) Methods and circuits for measuring the conductivity of solutions
WO1998036270A2 (en) High sensitivity multiple waveform voltammetric method and instrument
Souto Electronic configurations in potentiostats for the correction of ohmic losses
US6232786B1 (en) Apparatus and method for measuring conductivity
Baruzzi et al. Current interruption potentiostat for elimination of the IR drop in four-electrode systems
Uchida et al. Cyclic voltammetry with non-triangular waveforms: Electrochemically reversible systems
Garreau et al. Fast cyclic voltammetry at ultramicroelectrodes: current measurement and ohmic drop positive feedback compensation by means of current feedback operational amplifiers
NL8005381A (en) APPARATUS AND METHOD FOR MEASURING PARTIAL OXYGEN PRESSURE.
JPH0334582B2 (en)
Van Leeuwen The coulostatic impulse technique: a critical review of its features and possibilities
Bezman Sampled-data approach to the reduction of uncompensated resistance effects in potentiostatic experiments
Tallman et al. A wide bandwidth computer based potentiostat for fast voltammetry at microelectrodes
Figaszewski System for measuring separate impedance characteristics with a three-or four-electrode potentiostat
Pence et al. Kinetic Current Measurements with Controlled Potential. Application to Uranium (V) Disproportionation Reaction.
Enke et al. A versatile and inexpensive controlled potential polarographic analyzer
VanderNoot et al. Design and evaluation of a four-electrode potentiostat/voltage clamp suitable for ac impedance measurements at the interface of immiscible electrolytes
RU2135987C1 (en) Coulometric plant with controlled potential
Barrett et al. Staircase voltammetry and pulse polarography with a microcomputer-controlled polarograph