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controlled-potential coulometry

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Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001744
EISBN: 978-1-62708-178-8
... Abstract Controlled-potential coulometry is a highly precise and accurate method primarily used for major constituent analysis of analyte substances such as alloys, compounds, nonmetallic materials and organic compounds. This article illustrates the apparatus required for controlled-potential...
Image
Published: 01 January 1986
Fig. 1 Apparatus for controlled-potential coulometry. More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006679
EISBN: 978-1-62708-213-6
.... Coulometers may be electrochemical devices based on the laws of Faraday or electronic charge integrators (see the section “Coulometry” in this article). Fig. 4 Current-time curves of electrolytic cells with (a) constant-current circuit and (b) controlled-potential circuit Determining...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001742
EISBN: 978-1-62708-178-8
... electrochemical techniques, the reaction often must be allowed to go to completion efficiently, prolonging analysis times. However, the technique is more accurate (0.1%) than controlled-potential coulometry (0.2 to 5%) or polarography (2%). Use of efficient stirring lessens analysis time. Overall analysis time...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001743
EISBN: 978-1-62708-178-8
... be controlled remotely, for Capabilities of Related Techniques example, of radioactive samples Maintenance of constant conditions, for example, Controlled-potential coulometry: Determination of major constituents, metals, and certain organics; of pH or component concentrations, during study...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006748
EISBN: 978-1-62708-213-6
...-diffracted beams from a crystalline and nuclei of the specimen. See also brems- dc plasma excitation. See plasma-jet excitation. material. These differences are caused by strahlung radiation and white radiation. regions of varying crystal orientation. controlled-potential coulometry. Measure- diffraction...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0005692
EISBN: 978-1-62708-178-8
.... cyciodextrin. Cyclic degradation products diaphragm. A fixed or adjustable aperture controlled-potential coulometry. Measure- of starch that contain six, seven, or eight in an optical system. Diaphragms are used ment of the number of coulombs required glucose residues and have the shape of to intercept...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.9781627082136
EISBN: 978-1-62708-213-6
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.9781627081788
EISBN: 978-1-62708-178-8
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... of these sensors can provide a feedback signal for process control (smart sensors), these materials represent an expanding area of ceramic exploration and development. For the oxygen sensors, solid electrolyte conductors such as yttria-stabilized ZrO 2 are the most widely used, particularly for automotive...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... of dolomite for dead burning available in United States, Belgium, Germany, and United Kingdom Magnesia High-quality dead burnt magnesia Low porosity (bulk density >3.40 g/cm 3 ) Controlled CaO:SiO 2 ratio: >2.5:1) SiO 2 : 0.5%, Fe 2 O 3 : <0.2%, Al 2 O 3 : <0.1%, B 2 O 3 : <0.05%, MgO...