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

Frohliger et al., 1968 - Google Patents

Determination of ionization constants of monobasic acids in ethanol-water solvents by direct potentiometry

Frohliger et al., 1968

Document ID
15511670850885484963
Author
Frohliger J
Gartska R
Irwin H
Stewward O
Publication year
Publication venue
Analytical Chemistry

External Links

Snippet

A direct potentiometric method for the determination of ionization constants for monobasic acids has been developed. The method does not require the standardization of the indicator or reference electrodes since an absolute potential measurementis not neces-sary …
Continue reading at pubs.acs.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/333—Ion-selective electrodes or membranes
    • G01N27/3335—Ion-selective electrodes or membranes the membrane containing at least one organic component
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4166—Systems measuring a particular property of an electrolyte
    • G01N27/4167—Systems measuring a particular property of an electrolyte pH
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/42—Measuring disposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/423—Coulometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
    • G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/301—Reference electrodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
    • G01N27/4165—Systems checking the operation of, or calibrating, the measuring apparatus for pH meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/413—Concentration cells using liquid electrolytes measuring currents or voltages in voltaic cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48—Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/84—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving inorganic compounds or pH
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/04—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • G01N31/168—Determining water content by using Karl Fischer reagent

Similar Documents

Publication Publication Date Title
Coetzee et al. Polarography in Acetonitrile. III. Brønsted Acids. Amperometric Titration of Amines with Perchloric Acid. Oxygen
Delahay et al. Adsorption Kinetics and Electrode Processes. II
Laitinen et al. Amperometric Titration of Chloride, Bromide, and Iodide Using Rotating Platinum Electrode
Christian et al. Coulometric Titration of Ammonia with Hypobromite Using Direct Amperometric End Point Detection.
Sankar et al. Buffers for the Physiological pH Range: Thermodynamic Constants of 3-(N-Morpholino) propanesulfonic Acid from 5 to 50. degree. C
Janata et al. Polarographic determination of hydrogen ion activities in strongly acidic media: a new acidity function
Frohliger et al. Determination of ionization constants of monobasic acids in ethanol-water solvents by direct potentiometry
DeFord et al. The Effect of Ionic Strength on Polarographic Half-wave Potentials1
Cox et al. A selective electrolytic sensor for nitrite based on a modified platinum electrode
Salaria et al. Polarographic and Coulometric Determination of Technetium.
Castner et al. Heterogeneous electron-transfer kinetic parameters of metalloproteins as studied by channel-flow hydrodynamic voltammetry
Martin et al. Differential Voltammetry Using Hanging Mercury Drop Electrode
Shreve et al. Effect of Ethanol in the Electro-reduction of p-Nitroaniline at the Dropping Mercury Electrode
Buckley et al. The Potential of the Ruthenium (II)—Ruthenium (III) Couple1
Pastor et al. The quantitative electrochemical generation of bromine in acetic acid
Yeck et al. Improvements in Potentiometric Titration of Chlorides
Negoiu et al. Determination of novocaine in pharmaceutical preparations with novocaine+-selective membrane electrodes
US3528778A (en) Method for the determination of acid concentrations
Ruixi et al. Study of the voltammetric behaviour of josamycin across the water—nitrobenzene interface
Cohen et al. Voltammetric Studies of Metal Complexes with a Rotated Platinum Electrode. I. The Monoöxalatosilver (I) Complex
US3278399A (en) Method of measuring silver ion concentration
Pižeta et al. Application of thallium (I) as an internal standard redox process in voltammetric measurements
Kanning et al. The Standard Potential of the Silver—Silver Bromide Electrode in Anhydrous Methanol at 25°
Everett et al. The electrochemistry of solutions of hydrogen chloride in acetone: the cell H 2| HCl| Ag, AgCl
Stelting et al. Change in potential of reference fluoride electrode without liquid junction in mixed solvents