‘Current methods involve many solvent extraction cycles and vitrification after nitric acid treatment and evaporation.’
‘This is the earliest stage of the process known as vitrification.’
‘In the case of high-level waste, the nuclear industry has pioneered the stabilization of the liquid streams through vitrification into borosilicate glass blocks.’
‘Faience is a glass-like material, made by heating a paste consisting of sand or crushed quartz, an alkali such as plant ash, and a glaze, until vitrification occurs.’
‘But some researchers have developed a preservation technique called vitrification, essentially glassifying cells.’
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