COMMON LABORATORY APPARATUS ... or evaporating dish. Narrow neck prevents splash exposure. A Petri dish (alternatively known as a Petri plate or cell-culture dish) is a shallow transparent lidded dish that biologists use to hold growth medium in which cells can be cultured, originally, cells of bacteria, fungi and small mosses. Evaporating Dish: Definition & Functions 4:03 Light Microscope: Definition, Uses & Parts 4:17 Test Tube: Function in the Lab & Concept 2:31 Name Picture Use Ring stand Supports the bunsen burner, iron ring, pipestem triangle, and other items, often while heating a substance. function or use in the laboratory. Evaporating Dish The evaporating dish is used for heating stable solid compounds and elements, as well as for evaporating nonvolatile solutions. Droppers are for addition of liquids drop by drop Erlenmeyer Flasks are useful to contain reactions or to hold liquid samples. The container is named after its inventor, German bacteriologist Julius Richard Petri. An evaporating dish is a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, and sometimes to their melting point.Evaporating dishes are used to evaporate excess solvents – most commonly water – to produce a concentrated solution or a solid precipitate of the dissolved substance. into an evaporating dish, oven dry the sample and record its mass. 11. Complete the data sheet provided and calculate the Folk and Ward graphical moments of the particle size distribution. They are also useful to catch filtrates. 10. Florence Flask Rarely used in first year chemistry, it is used for the mixing of chemicals. It is the most common type of culture plate. 8. I have been a nurse since 1997. Pipestem triangle Supports the crucible when being heated over an open flame Evaporating dish Used to evaporate excess solvents to create a more concentrated solution. For tutoring please call 856.777.0840 I am a recently retired registered nurse who helps nursing students pass their NCLEX. All tables are from Bowles, J.E., 1992, Engineering Properties of Soils and Their … ... Tongs are similar in function to forceps but are useful for larger items.
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