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In page X-ray:

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  • Industrial radiography uses X-rays for inspection of industrial parts, particularly welds.[citation needed]
  • Radiography of cultural objects, most often X-rays of paintings to reveal underdrawing, pentimenti alterations in the course of painting or by later restorers, and sometimes previous paintings on the support. Many pigments such as lead white show well in radiographs.[citation needed]
  • X-ray spectromicroscopy has been used to analyse the reactions of pigments in paintings. For example, in analysing colour degradation in the paintings of van Gogh.[2]