Definition of matrix isolation in English:

matrix isolation

noun

mass nounChemistry
  • A technique for preparing free radicals or other unstable species by trapping them in a very cold inert substrate (such as solid argon) so that they can be studied spectroscopically.

    ‘We have used high temperature deposition techniques combined with matrix isolation to create samples.’
    ‘They were studied using a matrix isolation technique combined with infrared absorption spectroscopy.’