Micromass UK Limited

Aqualisa Products Limited

Steve Brace

Peter Georg Laitenberger

Paul Robert Murray

Jeff Brown

Matthew J Henderson

Mark William Towers

Edward Scott

Richard William Jarrold

Andrew Whatley

Philippa J Hart

Emmanuelle Claude

Philippa Hart

Peter Cauwood

George Richard Gregory

A mass spectrometer is disclosed comprising a rotatable isolation valvehaving a curved, spherical, cylindrical or concave portion. At least a portion of an ion guideis positioned so as to extend within a swept volume of the isolation valveenabling the ion guideto be positioned close to a second downstream ion guideand for ions to be transmitted from the firstion guide to the second ion guidewith high ion transmission efficiency.

Device for rapid exchange of ion sources and ion transmission devices

A mass spectrometer is disclosed comprising a rotatable isolation valve () having a curved, spherical, cylindrical or concave portion. At least a portion of an ion guide () is positioned so as to extend within a swept volume of the isolation valve () enabling the ion guide () to be positioned close to a second downstream ion guide () and for ions to be transmitted from the first () ion guide to the second ion guide () with high ion transmission efficiency.

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Bollington, United Kingdom

Steve Brace