Isopentane also can be chilled in liquid nitrogen (-176C). With the liquid nitrogen in a styrofoam container or Dewar flask, use a tongs to lower a stainless steel, Pyrex, or polypropylene container ...
Before freezing, a section of the sample was mounted in embedding medium and frozen in isopentane cooled to its freezing point in liquid nitrogen. This sample was stored at −80°C until later ...
An Oleflex unit can dehydrogenate propane, isobutane, normal butane, or isopentane feedstocks separately or as mixtures spanning two consecutive carbon numbers. This process was commercialized in 1990 ...