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  2. Condenser (laboratory) - Wikipedia

    en.wikipedia.org/wiki/Condenser_(laboratory)

    A Davies condenser, also known as a double surface condenser, is similar to the Liebig condenser, but with three concentric glass tubes instead of two. The coolant circulates in both the outer jacket and the central tube. This increases the cooling surface, so that the condenser can be shorter than an equivalent Liebig condenser.

  3. Liebig condenser - Wikipedia

    en.wikipedia.org/wiki/Liebig_condenser

    Liebig condenser. The Liebig condenser (/ ˈ l iː b ɪ ɡ /, LEE-big) [1] or straight condenser is a piece of laboratory equipment, specifically a condenser consisting of a straight glass tube surrounded by a water jacket. In typical laboratory operation, such as distillation, the condenser is clamped to a retort stand in vertical

  4. Fractional distillation - Wikipedia

    en.wikipedia.org/wiki/Fractional_distillation

    The Liebig condenser is simply a straight tube within a water jacket and is the simplest (and relatively least expensive) form of condenser. The Graham condenser is a spiral tube within a water jacket, and the Allihn condenser has a series of large and small constrictions on the inside tube, each increasing the surface area upon which the vapor ...

  5. Ground glass joint - Wikipedia

    en.wikipedia.org/wiki/Ground_glass_joint

    Crude versions of conically tapered ground glass joints have been made for quite a while, [1] particularly for stoppers for glass bottles and retorts. [2] Crude glass joints could still be made to seal well by grinding the two parts of a joint against each other using an abrasive grit, but this led to variations between joints and they would not seal well if mated to a different joint.

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  7. Jimmy Butler on if he wants to stay with Heat: 'That's a good ...

    www.aol.com/sports/jimmy-butler-wants-stay-heat...

    Butler is in his 14th year in the NBA. He's been with the Heat since 2019. Miami is reportedly open to listening to offers for Butler, who wants a trade to a "win-now contender" above all.

  8. Prepare for the coldest Arctic blast: How to keep your pipes ...

    www.aol.com/prepare-coldest-artic-blast-keep...

    A winter storm emerging from the Rockies is forecast to bring rain, snow and ice to a large part of the U.S., the National Weather Service said Friday, ... (@NWSWPC) January 2, 2025.

  9. Mortgage and refinance rates for Jan. 6, 2025: Average rates ...

    www.aol.com/finance/mortgage-and-refinance-rates...

    Freddie Mac reports an average 6.91% for a 30-year fixed-rate mortgage, up 6 basis points from last week's average 6.85%, according to its weekly Prime Mortgage Market Survey of nationwide lenders ...