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In this article a new, multi-functional, high-vacuum astrophysical ice setup,VIZSLA (Versatile Ice Zigzag Sublimation Setup for Laboratory Astrochemistry),is introduced. The instrument allows the investigation of astrophysicalprocesses both in a low-temperature para-H2 matrix and in astrophysical analogices. In para-H2 matrix the reaction of astrochemical molecules with H atomsand H+ ions can be studied very effectively. For the investigation ofastrophysical analog ices the setup is equipped with different irradiation andparticle sources: an electron gun, for modeling cosmic rays; an H atom beamsource (HABS); a microwave H atom lamp, for generating H Lyman-alpha radiation,and a tunable (213 nm to 2800 nm) laser source. For analysis, an FT-IR (and aUV-Visible) spectrometer and a quadrupole mass analyzer are available. Thesetup has two cryostats, offering novel features for analysis. Upon theso-called temperature-programmed desorption (TPD) the molecules, desorbing fromthe first cryostat, can be mixed with Ar and can be deposited onto thesubstrate of the other cryostat. The well-resolved spectrum of the moleculesisolated in an Ar matrix serves a unique opportunity to identify the desorbingproducts of a processed ice. Some examples are provided to show how the para-H2matrix experiments and the TPD -- matrix-isolation recondensation experimentscan help to understand astrophysically important chemical processes at a lowtemperature. It is also discussed, how these experiments can complement thestudies carried out by similar astrophysical ice setups.

VIZSLA -- Versatile Ice Zigzag Sublimation Setup for Laboratory Astrochemistry