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  2. 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.

  3. Test tube - Wikipedia

    en.wikipedia.org/wiki/Test_tube

    Test tubes are convenient containers for heating small amounts of liquids or solids with a Bunsen burner or alcohol burner. 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 ...

  4. Test tube holder - Wikipedia

    en.wikipedia.org/wiki/Test_tube_holder

    Particularly, for liquid heating, when holding a test tube holder with a test tube, hold it such that it aligns with the lab bench and also point the open end of the tube away from yourself or anyone nearby. [7] Additionally, while using a test tube holder, the proper distance between the test tube holder and the top of the test tube is ...

  5. Automated analyser - Wikipedia

    en.wikipedia.org/wiki/Automated_analyser

    Test tubes of samples are often loaded into racks. These racks can be inserted directly into some analysers or, in larger labs, moved along an automated track. More manual methods include inserting tubes directly into circular carousels that rotate to make the sample available. Some analysers require samples to be transferred to sample cups.

  6. Retort stand - Wikipedia

    en.wikipedia.org/wiki/Retort_stand

    In chemistry, a retort stand, also called a clamp stand, [1] a ring stand, [2] or a support stand, [3] is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks. [4] The typical ring stand consists of a heavy base and a vertical rod, both usually made of metal.

  7. US FDA flags shortage of Becton Dickinson's blood test tubes

    www.aol.com/news/us-fda-flags-shortage-becton...

    US FDA flags shortage of Becton Dickinson's blood test tubes. July 10, 2024 at 12:53 PM (Reuters) - The U.S. Food and Drug Administration issued an alert on Wednesday to laboratories and ...

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