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  2. Still - Wikipedia

    en.wikipedia.org/wiki/Still

    A pot still incorporates only one condensation, whereas other types of distillation equipment have multiple stages which result in higher purification of the more volatile component (alcohol). Pot still distillation gives an incomplete separation , but this can be desirable for the flavor of some distilled beverages .

  3. Autoclave - Wikipedia

    en.wikipedia.org/wiki/Autoclave

    It is very important to ensure that all of the trapped air is removed from the autoclave before activation, as trapped air is a very poor medium for achieving sterility. Steam at 134 °C (273 °F) can achieve a desired level of sterility in three minutes, while achieving the same level of sterility in hot air requires two hours at 160 °C (320 ...

  4. Incubator (culture) - Wikipedia

    en.wikipedia.org/wiki/Incubator_(culture)

    To do this, a sample was harvested and placed onto a sterile dish and into the incubator. The air in the incubator was kept at 37 degrees Celsius, the same temperature as the human body, and the incubator maintained the atmospheric carbon dioxide and nitrogen levels necessary to promote cell growth.

  5. Shaker (laboratory) - Wikipedia

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

    Anyone employing an incubator shaker (thermal shaker) to grow yeast or bacteria in the laboratory needs to beware that under the usual conditions encountered in the lab, the rate at which oxygen diffuses from the gaseous phase into the shaken liquid phase is too slow to keep up with the rate at which the oxygen is consumed by, for example, E ...

  6. Thermal cycler - Wikipedia

    en.wikipedia.org/wiki/Thermal_cycler

    Modern thermal cyclers are equipped with a heated lid that presses against the lids of the reaction tubes. This prevents condensation of water from the reaction mixtures on the insides of the lids. Traditionally, a layer of mineral oil was used for this purpose. Some thermal cyclers are equipped with a fully adjustable heated lid to allow for ...

  7. Condenser (laboratory) - Wikipedia

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

    A glass still head, upside down. The rounded part was meant to be fitted on the top of the boiling flask. Black-and-white photo of object at the Wellcome Trust museum. The still head is another ancient type of air-cooled condenser. It consists of a roughly globular vessel with an opening at the bottom, through which the vapor is introduced.

  8. Laminar flow cabinet - Wikipedia

    en.wikipedia.org/wiki/Laminar_flow_cabinet

    A laminar flow cabinet blows unfiltered exhaust air towards the worker and is not safe for work with pathogenic agents, [2]: 13 [3] while a fume hood maintains negative pressure with constant exhaust to protect the user, but does not protect the work materials from contamination by the surrounding environment.

  9. Sterilization (microbiology) - Wikipedia

    en.wikipedia.org/wiki/Sterilization_(microbiology)

    A rapid method heats air to 463.15 K (190.00 °C; 374.00 °F) for 6 minutes for unwrapped objects and 12 minutes for wrapped objects. [20] [21] Dry heat has the advantage that it can be used on powders and other heat-stable items that are adversely affected by steam (e.g., it does not cause rusting of steel objects).

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