RESEARCH PAPER
Low-Blank Crucible for Argon Extraction from Minerals at Temperatures up to 1550°C
1
Mass Spectrometry Laboratory, Institute of Physics, Maria Curie-Sklodowska University, Plac Marii Curie-Skłodowskiej 1, 20-031 Lublin, Poland
Online publication date: 2007-05-01
Publication date: 2007-07-01
Geochronometria 2007;27:1-3
KEYWORDS
ABSTRACT
The new version of a double-vacuum crucible for fusion of small samples of refractory minerals has been described recently by Halas (2006). This novel type of high temperature crucible was further improved in the following important points: (1) The expensive material, tantalum, was replaced by much cheaper molybdenum which also appears to be significantly less corrosive in the presence of hot boron nitride ceramic used as the insulator, and (2) a versatile temperature controller was assembled from commercially available components.
REFERENCES (3)
1.
Halas S, 2006. A double-vacuum crucible for temperatures up to 1600°C. Journal of Thermal Analysis and Calorimetry 86: 31-33.10.1007/s10973-006-7574-6.
2.
McDougall I and Harrison TM, 1988. Geochronology and Thermochronology by the 40Ar/39Ar Method. Oxford University Press, New York: 212 pp.
3.
Staudacher Th, Jessberger EK, Dorflinger D and Kiko J, 1978. A refined ultra-high vacuum furnace for rare gas analysis. Journal of Physics E: Scientific Instruments 11: 781-784.10.1088/0022-3735/11/8/019.
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| eISSN: | 1897-1695 |
| ISSN: | 1733-8387 |
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