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Categories of exhibits

MALDI source lid

Exhibit no. 427

Some mass spectrometers have a vacuum chamber closed by a glass lid that allows you to see inside the instrument. The viewports are commonly made a thick piece of borosilicate glass, which is sealed by removable O-ring.

The exhibit is a glass lid, which covered the MALDI source of the TofSpec 2E MALDI-TOF spectrometer manufactured by Micromass in the 1990s. The pressure under the lid could be estimated by the degree of compression of the O-ring.

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