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BIOCHEMISTRY > Laboratory Glassware And Equipment > Flashcards

Laboratory Glassware And Equipment Flashcards

1
Q

A laboratory item with ground glass joint, used to connect various glassware items, usually when making various setups, like distillation, refluxing, sublimation, inert gas environment, vacuum, etc.

A

ADAPTER

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2
Q

Designedto accurately measure
mass. Their readability has a range between 0.1mg - 0.01mg. Have a draft shield or weighing chamber to prevent the very small samples from being affected by air currents.

A

ANALYTICAL BALANCE

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3
Q

A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.

A

ASPIRATOR

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4
Q

Are useful as a reaction container or to hold liquid or solid samples.
They are also used to catch
liquids from titrations and filtrates from filtering operations.

A

BEAKER

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5
Q

Used to provide a single, continuous flame by mixing gas with air in a controlled fashion. The ratio of gas to air that is mixed together can be manually adjusted, allowing the user to control the intensity, temperature, and size of the flame.

A

BUNSEN BURNER

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6
Q

Used to dispense and measure variable amounts of liquid or sometimes gas within chemical and industrial testing specially for the titration process in volumetric analysis.

A

BURETTE

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7
Q

Is a piece of laboratory equipment used to hold things and is placed in an iron stand to elevate other equipment.

A

CLAMP / IRON CLAMP

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8
Q

Used as a support for porcelain crucibles when being heated over a Bunsen burner.

A

CLAY TRIANGLE

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9
Q

A condenser is a piece of laboratory equipment that is used to condense vapours in the lab or turn them into liquids simply by cooling them down.

A

CONDENSER

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10
Q

Are used for heating certain solids, particularly metals, to very high temperature. The cover can be used to contain any smoke particles.

A

CRUCIBLE AND COVER

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11
Q

Equipment to handle a hot crucible, evaporating dishes, flasks, small beakers or other items which have a high temperature or contain potentially dangerous materials which cannot be touched with bare hands

A

CRUCIBLE TONG

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12
Q

Absorb moisture in humid conditions and keep the items dry and dust-free. They also prevent any hygroscopic materials from reacting with moisture that is caused by humid conditions.

A

DESICCATOR

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13
Q

Is used to separate mixtures of two liquids with different boiling points

A

DISTILLING FLASK

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14
Q

Holds solid or liquids that may release gases during a reaction or that are likely to splatter if stirred or heated. Flat, conical body, and a cylindrical neck.

A

ERLENMEYER FLASK

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15
Q

Used for the evaporation of solutions and supernatant liquids to produce a concentrated solution or a solid precipitate of the dissolved substance.

A

EVAPORATING DISH

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16
Q

Is a semi-permeable paper barrier placed perpendicular to a liquid or air flow. It is used to separate fine solid particles from liquids or gases.

A

FILTER PAPER

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17
Q

Used for heating substances that need to be heated evenly. The bulbed bottom allows the heat to distribute through the liquid more evenly.

A

FLORENCE FLASK

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18
Q

Used to channel liquids or fine- grained chemicals (powders) into labware with a narrow neck or opening.

A

FUNNEL

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19
Q

Used to mix chemicals and liquids for laboratory purposes

A

GLASS ROD

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20
Q

Used to protect the eye against particles, chemicals, water, glare and from things striking the eyes

A

GOGGLES

21
Q

Used to measure the volume of a liquids, chemicals or solutions during the lab daily work.

A

GRADUATED CYLINDER

22
Q

For heating substances in flat- bottomed containers such as beakers and Erlenmeyer flasks

A

HOT PLATE

23
Q

Holds glassware such as funnels or other objects, like the wire gauze or clay triangle for heating with a Bunsen burner. Often, the iron ring will be attached to an iron stand.

A

IRON RING

24
Q

A metal rod attached to a heavy metal base. The heavy base keeps the stand stable, and the vertical metal rod allows for easy height adjustment of the iron ring/clamp. Used for fixing and supports various instruments.

A

IRON STAND

25
Q

Is a device used to transfer small quantities of liquids. They are used in the laboratory and also to dispense small amounts of liquid medicines.

A

MEDICINE DROPPER

26
Q

Sets to crush up solid chemicals into smaller pieces, or to grind solids into fine powder.

A

MORTAR AND PESTLE

27
Q

An instrument used to measure hydrogen ion activity in solutions - in other words, this instrument measures acidity/alkalinity of a solution.

A

pH Meter

28
Q

Used to measure out or transfer small quantities of liquid, in volume of milliliters (ml), microliters (μl).

A

PIPETTE

29
Q

Which is used for weighing objects. The balance has two platforms either mounted on or suspended from a cross-arm, and weights are placed on one platform until they balance the object being weighed.

A

PLATFORM BALANCE

30
Q

Are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers and are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.

A

REAGENT BOTTLE

31
Q

Are used in the lab for liquid- liquid extractions, separating a mixture’s components into two solvent phases of different densities. The higher density liquid sinks to the bottom and can then be drained from a valve, leaving the less dense liquid in the funnel.

A

SEPARATORY FUNNEL

32
Q

Used to transfer samples or chemicals from their original containers to weighing paper, weighing boats, weighing bottles, weighing funnels, or other vessels or containers for weighing.

A

SPATULA

33
Q

Used to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays. Their round bottom and straight sides minimize mass loss when pouring, make them easier to clean, and allow convenient monitoring of the contents.

A

TEST TUBE

34
Q

A device used to clean the inside of a test tube (or other long- necked glassware)

A

TEST TUBE BRUSH

35
Q

Is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched.

A

TEST TUBE HOLDER

36
Q

Laboratory equipment used to hold multiple test tubes upright at the same time. They are especially useful for organizing test tubes when different solutions are being worked on or collected at once.

A

TEST TUBE RACK

37
Q

Used to measure the boiling point and freezing point during science experiments. It is also used to measure the temperature of substances

A

THERMOMETER

38
Q

Allows adjustment of both the air supply and the gas supply. Used for safe continuous stream of flammable gas used for heating, sterilization and combustion and specialize for finely controlled air / gas mixture.

A

TIRRILL BURNER

39
Q

Is a specialized tool for trimming and sharpening edges. Its unique, three-sided design makes it a great tool for sharpening hard- to-reach places such as saw teeth

A

TRIANGULAR FILE

40
Q

It is used as a platform to hold and support glassware, such as beakers and flasks, during experiments and when the glassware is not in use.

A

TRIPOD

41
Q

Is a typical instrument used to measure the mass of various objects. It consists of three beams, each of which is provided with a single sliding weight that has a size corresponding to the gradations of the notched scale on each beam.

A

TRIPLE BEAM BALANCE

42
Q

Are typically used to store medicines or laboratory samples

A

VIAL

43
Q

Lab glass or plasticware used to prepare a solution. It is used to make up a solution to a known volume. Volumetric flasks are used to measure volumes much more precisely than beakers or Erlenmeyer flasks.

A

VOLUMETRIC FLASK

44
Q

Mainly used to wash or rinse various pieces of glassware or plasticware in the laboratory, they also have less frequent uses such as precisely filling volumetric flasks. Wash bottles can also be filled and used as storage with numerous solvents.

A

WASH BOTTLE

45
Q

Slightly-concave pieces of glass that are used by chemists to evaporate liquids and cover beakers during sample preparation. They are also used to hold solids during weighing.

A

WATCH GLASS

46
Q

Samples are incubated at a constant temperature for a long period of time. Water bath is a preferred method of heating flammable chemicals instead of an open flame to prevent ignition of the chemicals.

A

WATER BATH CASSEROLE

47
Q

To change and adjust the shape of the flame that comes from a Bunsen burner. It is also often said to resemble the ‘fish tail’ burner. The size of the flames can be changed simply by adjusting the wing top cover.

A

WING TOP

48
Q

Place under the container holding the liquid, that is being heated by the Bunsen burner, so that the container doesn’t have direct contact with the flame.

A

WIRE GAUZE

BIOCHEMISTRY (1 decks)

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