Improvements in experimental techniques
β
K. Balogh; A. Simonits
π
Article
π
1998
π
John Wiley and Sons
π
English
β 38 KB
The performance of a noble gas mass spectrometer used for K/Ar-Ar/Ar dating has been improved in three ways. The background has been decreased by surrounding the ion source with a cylinder of St707 NEG strip. A simple method has been found for rotating the sample during irradiation in the nuclear re