Search results
Results from the WOW.Com Content Network
Typically a cold finger is used in a sublimation apparatus, [2] or can be used as a compact version of a condenser in either reflux reaction or distillation apparatus. Many commercially available rotary evaporators can be purchased with a cold finger in place of a Dimroth condenser , for example.
Short-path vacuum distillation apparatus with vertical condenser (cold finger), to minimize the distillation path; 1: Still pot with stirrer bar/anti-bumping granules 2: Cold finger – bent to direct condensate 3: Cooling water out 4: cooling water in 5: Vacuum/gas inlet 6: Distillate flask/distillate.
Distillation setup using a retort and tube condenser, from a 1921 book. ... A cold finger is a cooling device in the form of a vertical tube that is cooled from the ...
The same apparatus may also be used for conventional distillation of extremely small quantities due to the very small volume and surface area between evaporating and condensing regions, although this is generally only useful if the cold finger can be cold enough to solidify the condensate.
Combat Cold Fingers With These Heated Gloves for Skiing, Hiking, and Commuting. Danny Perez. December 20, 2023 at 3:35 PM. The Best Heated Gloves for Fighting the Freeze Danny Perez
Experts say certain red flags can mean a bigger health issue is at play — for example, episodes of cold hands that are frequent, not easily reversible or are new in those ages 30 years and above ...
1. Stumptown Original Cold Brew Coffee. $4.29 from Whole Foods. Shop Now. Stumptown was one of the few cold brew coffee brands that I kept coming back to instead of just taking a few sips and ...
A Likens-Nickerson apparatus with a PTFE stopcock and water-jacket condenser in addition to the cold finger condenser. A round-bottom boiling flask with ground glass joints are affixed to either side of the apparatus with Keck clips. The unusually shaped Likens-Nickerson apparatus uses two boiling flasks.