Arsenic and platinum deposition during cathodic hydrogenation
Journal Article
·
· Scr. Metall.; (United States)
These experiments show that arsenic promoter and supposedly inert platinum anode material are co-deposited with hydrogen on the cathode surface during cathodic hydrogenation. The arsenic is initially deposited faster than the platinum, thus accelerating the deposition of platinum. Hydrogen (deuterium) uptake by the cathode appears to increase to a high saturation level as the amount of metal deposited reaches the equivalent of a monolayer or more of surface coverage. The presence of these deposits should be considered in hydrogen embrittlement tests made under dynamic cathodic electrolysis. 3 figures, 1 table.
- Research Organization:
- Oak Ridge National Lab., TN
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 7138465
- Journal Information:
- Scr. Metall.; (United States), Journal Name: Scr. Metall.; (United States) Vol. 17:3; ISSN SCRMB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400* -- Electrochemistry
ALLOYS
ARSENIC
CATALYTIC EFFECTS
CATHODES
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
DATA
DEPOSITION
EFFICIENCY
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
ELECTROLYTES
ELEMENTS
EMBRITTLEMENT
EXPERIMENTAL DATA
HYDROGEN
HYDROGEN COMPOUNDS
HYDROGEN EMBRITTLEMENT
HYDROGENATION
INFORMATION
INORGANIC ACIDS
IRON ALLOYS
IRON BASE ALLOYS
LYSIS
METALS
NONMETALS
NUMERICAL DATA
PLATINUM
PLATINUM METALS
SEMIMETALS
STAINLESS STEELS
STEELS
SULFURIC ACID
SURFACE COATING
TRANSITION ELEMENTS
360103 -- Metals & Alloys-- Mechanical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400* -- Electrochemistry
ALLOYS
ARSENIC
CATALYTIC EFFECTS
CATHODES
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CORROSION RESISTANT ALLOYS
DATA
DEPOSITION
EFFICIENCY
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
ELECTROLYTES
ELEMENTS
EMBRITTLEMENT
EXPERIMENTAL DATA
HYDROGEN
HYDROGEN COMPOUNDS
HYDROGEN EMBRITTLEMENT
HYDROGENATION
INFORMATION
INORGANIC ACIDS
IRON ALLOYS
IRON BASE ALLOYS
LYSIS
METALS
NONMETALS
NUMERICAL DATA
PLATINUM
PLATINUM METALS
SEMIMETALS
STAINLESS STEELS
STEELS
SULFURIC ACID
SURFACE COATING
TRANSITION ELEMENTS