Bibliographic Citation
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| Title | SYNTHESIS OF CALCIUM VANADATE MINERALS AND RELATED COMPOUNDS |
| Creator/Author | Marvin, R. |
| Publication Date | 1956 Jun 01 |
| OSTI Identifier | OSTI ID: 4260391 |
| Report Number(s) | TEI-616 |
| Resource Type | Technical Report |
| Resource Relation | Other Information: Orig. Receipt Date: 31-DEC-59 |
| Research Org | Geological Survey, Washington, D.C. |
| Subject | GEOLOGY AND MINERALOGY; ACIDITY; AMMONIA; CALCIUM COMPOUNDS; CALCIUM OXIDES; CARNOTITE; ENVIRONMENT; MINERALS; PASCOITE; POTASSIUM OXIDES; RAUVITE; SOLUTIONS; TYUYAMUNITE; URANIUM MINERALS; URANIUM OXIDES; VANADIUM COMPLEXES; VANADIUM OXIDES |
| Description/Abstract | Synthesis of natural vanadates shows that most of them are stable in an acid environment. Phase studies of a portion of the system CaO--V/sub 5/O/sub 5/- -H/sub 2/O indicate that calcium vanadates are an indicator of environmental pH conditions. gome minerals, such as pascoite, indicate rapid evaporation of vanadate solutions; other minerals, such as hewettite, show that slow evaporation took place. Cursory examination of systems K/sub 2/O-UO/sub 2(NO/sub 3/)/sub 2/-- V/sub 2/O/sub 5/ and CaO-- UO/sub 2/(NO/ sub 3/)/sub 2/--V/sub 2/O/sub 5/, both in aqueous solution, has yielded information on the relationships among carnotite, tyuyamunite, and rauvite. |
| Country of Publication | United States |
| Language | English |
| Format | Medium: X; Size: Pages: 27 |
| Availability | NTIS |
| System Entry Date | 2008 Apr 07 |
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