학술논문
Role of Magnesium in Ultra-Low-Radioactive Titanium Production for Future Direct Dark Matter Search Detectors.
Document Type
Article
Author
Source
Subject
*DARK matter
*INDUCTIVELY coupled plasma mass spectrometry
*TITANIUM
*MAGNESIUM
*URANIUM
*
*
*
*
Language
ISSN
1996-1944
Abstract
Ultra-low-radioactive titanium is the main perspective material for cryostat fabrication in dark matter search experiments. The pathways of the uranium and thorium contamination of Ti sponges produced by the Kroll process were analyzed. The general role of Mg in Ti sponge contamination by U and Th was established. It was found that when transformed to MgCl2 in the Kroll process, Mg was purified from U and Th, and further MgCl2 reduction and sublimation makes it possible to produce low-radioactive Ti sponges. [ABSTRACT FROM AUTHOR]