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. Author manuscript; available in PMC: 2021 Oct 20.
Published in final edited form as: Anal Chem. 2020 Oct 1;92(20):13864–13870. doi: 10.1021/acs.analchem.0c02569

Figure 2.

Figure 2.

Cartoon of the RFQ process developed for mixing injectors. (a) Reacting sample is quenched in cryogenic isopentane. (b) Quenched sample is transferred to the cold flow packing system. (c) Flow packing system is pressurized by cold nitrogen gas. (d) Sample accumulates behind the filter as isopentane is drained.