Proton transfer reaction mass spectrometry (PTR-MS) and selected ion flow tube mass spectrometry (SIFT-MS) are decades-old field-deployable chemical ionization technologies with portable features.
The Vocus Flex incorporates interchangeable, drawer-style ion source modules that enable rapid switching between the VUV-based Vocus PTR Reactor and the fragmentation-free Vocus Aim Reactor. Automatic ...
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