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Candle jar: historically used for anaerobiosis; a lit candle was placed in as air-tight jar such that when it went out it would be because it used up all the available oxygen: Castaneda's medium / Castaneda's bottle: used for simultaneous solid and liquid cultures in many bottles Centrifuge: to separate supernatant & pellet Cragie tube: see ...
Test tube: Folin-Wu tube: Glass slide mycole and cover slips: in microscopy, serology, etc. as the solid backing on which test samples are Petri dish: used for preparation of culture media and the culture of organisms they are in Glass beaker: reagent storage Glass flask: gastric acid, or other fluid titration: Pasteur pipette
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Erlenmeyer flasks (introduced in 1861 by German chemist Emil Erlenmeyer (1825–1909)) are shaped like a cone, usually completed by the ground joint; the conical flasks are very popular because of their low price (they are easy to manufacture) and portability; Volumetric flask is used for preparing liquids with volumes of high precision. It is ...
Automatic test equipment diagnostics is the part of an ATE test that determines the faulty components. ATE tests perform two basic functions. The first is to test whether or not the Device Under Test is working correctly. The second is when the DUT is not working correctly, to diagnose the reason.
Historically, the definition of a scientific instrument has varied, based on usage, laws, and historical time period. [1] [2] [3] Before the mid-nineteenth century such tools were referred to as "natural philosophical" or "philosophical" apparatus and instruments, and older tools from antiquity to the Middle Ages (such as the astrolabe and pendulum clock) defy a more modern definition of "a ...
Jar test for coagulation. The dose of the coagulant to be used can be determined via the jar test. [1] [5] The jar test involves exposing same volume samples of the water to be treated to different doses of the coagulant and then simultaneously mixing the samples at a constant rapid mixing time. [5]
The jar, about 20 by 12.5 inches (510 mm × 320 mm) is made of metal. Its parts are as follows: The body made up of metal (airtight) The lid, also metal can be placed in an airtight fashion; A screw going through a curved metal strip to secure and hold the lid in place; A thermometer to measuring the internal temperature