enow.com Web Search

  1. Ads

    related to: test tube tongs

Search results

  1. Results from the WOW.Com Content Network
  2. Test tube holder - Wikipedia

    en.wikipedia.org/wiki/Test_tube_holder

    A test tube holder is used to hold test tubes. [1] It is used for holding a test tube in place [2] when the tube is hot or should not be touched. [3] For example, a test tube holder can be used to hold a test tube while it is being heated. [4]

  3. Test tube - Wikipedia

    en.wikipedia.org/wiki/Test_tube

    The tube is usually held by its neck with a clamp or tongs. By tilting the tube, the bottom can be heated to hundreds of degrees in the flame, while the neck remains relatively cool, possibly allowing vapours to condense on its walls. A boiling tube is a large test tube intended specifically for boiling liquids.

  4. Crucible tongs - Wikipedia

    en.wikipedia.org/wiki/Crucible_tongs

    Crucible tongs are used most often with crucibles, small ceramic or metal vessels used to heat chemicals to temperatures up to 565.56 degree Celsius. [3] As a crucible will be very hot when heating it in a furnace or a Bunsen burner, one cannot hold the crucible directly. Therefore, crucible tongs come to play a key role when burning, or doing ...

  5. Test tube rack - Wikipedia

    en.wikipedia.org/wiki/Test_tube_rack

    Test Tube Rack. Test tube racks are laboratory equipment used to hold upright multiple test tubes at the same time. They are most commonly used when various different solutions are needed to work with simultaneously, for safety reasons, for safe storage of test tubes, and to ease the transport of multiple tubes.

  6. Laboratory glassware - Wikipedia

    en.wikipedia.org/wiki/Laboratory_glassware

    Jöns Jacob Berzelius, who invented the test tube, and Michael Faraday both contributed to the rise of chemical glassblowing. Faraday published Chemical Manipulation in 1827 which detailed the process for creating many types of small tube glassware and some experimental techniques for tube chemistry.

  7. Tongs - Wikipedia

    en.wikipedia.org/wiki/Tongs

    Tongs consist a single band of bent metal, as in sugar tongs, most asparagus tongs (which are no longer common) [2] and the like. Sugar tongs are usually silver, with claw-shaped or spoon-shaped ends for serving lump sugar. Asparagus tongs are usually similar but larger, with a band near the head that limits how far the tongs can expand.

  1. Ads

    related to: test tube tongs