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Titolo:
REDUCTION OF LUNAR BASALT 70035 - OXYGEN YIELD AND REACTION-PRODUCT ANALYSIS
Autore:
GIBSON MA; KNUDSEN CW; BRUENEMAN DJ; ALLEN CC; KANAMORI H; MCKAY DS;
Indirizzi:
CARBOTEK DEV LABS,16223 PK ROW,SUITE 100 HOUSTON TX 77084 LOCKHEED ENGN & SCI CO HOUSTON TX 00000 SHIMIZU CORP,SPACE PROJECT OFF TOKYO JAPAN NASA,LYNDON B JOHNSON SPACE CTR HOUSTON TX 77058
Titolo Testata:
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
fascicolo: E5, volume: 99, anno: 1994,
pagine: 10887 - 10897
SICI:
2169-9097(1994)99:E5<10887:ROLB7->2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
IRON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
46
Recensione:
Indirizzi per estratti:
Citazione:
M.A. Gibson et al., "REDUCTION OF LUNAR BASALT 70035 - OXYGEN YIELD AND REACTION-PRODUCT ANALYSIS", J GEO R-PLA, 99(E5), 1994, pp. 10887-10897

Abstract

Oxygen production from a lunar rock has been experimentally demonstrated for the first time. A 10 g sample of high-Ti basalt 70035 was reduced with hydrogen in seven experiments at temperatures of 900-1050-degrees-C and pressures of 14.7-150 psia. In all experiments, water evolution began almost immediately and was essentially complete in tens of minutes. Oxygen yields ranged from 2.93 to 4.61% of the starting sample weight, and showed weak dependence on temperature and pressure. Analysis of the solid samples demonstrated total reduction of Fe2+ in ilmenite and small degrees of reduction in olivine and pyroxene. TiO2 Was also partially reduced to one or more suboxides. Data from these experiments provide a basis for predicting the yield of oxygen from lunar basalt as well as new constraints on natural reduction in the lunar regolith.

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Documento generato il 14/07/20 alle ore 19:43:16