<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></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.

Low-Blank Crucible for Argon Extraction from Minerals at Temperatures up to 1550°C

Mass Spectrometry Laboratory, Institute of Physics, Maria Curie-Sklodowska University, Plac Marii Curie-Skłodowskiej 1, 20-031 Lublin, Poland

Geochronometria

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...

Low-Blank Crucible for Argon Extraction from Minerals at Temperatures up to 1550°C

Published Online: May 01, 2007

Page range: 1 - 3

DOI: https://doi.org/10.2478/v10003-007-0014-1

Keywords
K/Ar dating, argon extraction, high temperature controller, vacuum

This content is open access.

Low-Blank Crucible for Argon Extraction from Minerals at Temperatures up to 1550°C

Published Online: May 01, 2007

Page range: 1 - 3

DOI: https://doi.org/10.2478/v10003-007-0014-1

KeywordsK/Ar dating, argon extraction, high temperature controller, vacuum

This content is open access.

Keywords
K/Ar dating, argon extraction, high temperature controller, vacuum