Boron Hydrides. VII. The Metal Ion Catalyzed Hydrolysis of Sodium Borohydride in Heavy Water

Boron Hydrides. VII. The Metal Ion Catalyzed Hydrolysis of Sodium Borohydride in Heavy Water

It is reported that changes in isotopic composition in the hydrolysis of sodium borohydride in heavy water are due to metal ion catalyzed reactions and that micromolar amounts of heavy metals will greatly change the composition of the gas. Results with Co, Pd, and Pt are given. One microgram of Co c...

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Veröffentlicht in:Inorganic Chemistry (U.S.) 1964-03, Vol.3 (3), p.460-461
Hauptverfasser: Davis, Robert Earl, Bloomer, Judith Ann, Cosper, David R, Saba, Afif
Format: Artikel
Sprache:eng
Schlagworte:
BOROHYDRIDES
CATALYSIS
CHEMICAL REACTIONS
CHEMISTRY
COBALT
COBALT COMPOUNDS
DECOMPOSITION
DEUTERIUM
GASES
HEAVY WATER
HYDROLYSIS
IMPURITIES
IONS
ISOTOPES
MEASURED VALUES
METALS
MIXING
PALLADIUM
PALLADIUM COMPOUNDS
PLATINUM
PLATINUM COMPOUNDS
QUANTITY RATIO
SODIUM COMPOUNDS
SODIUM HYDRIDES
SOLUTIONS
TRACE AMOUNTS
VARIATIONS
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Zusammenfassung:It is reported that changes in isotopic composition in the hydrolysis of sodium borohydride in heavy water are due to metal ion catalyzed reactions and that micromolar amounts of heavy metals will greatly change the composition of the gas. Results with Co, Pd, and Pt are given. One microgram of Co can reduce the amount of HD from 98 to 82%. The catalytic effect of the preformed Co catalyst finally levels off at 64%. (P.C.H.)
ISSN:0020-1669
1520-510X
DOI:10.1021/ic50013a039