Laboratory Apparatus

Test Tube

A.k.a. sample tube; finger like length

Beaker

Used as containers and come in variety of sizes. Measurement is rough estimate

Erlenmeyer Flask

Often used as reaction vessels, particulary in tritations.

Volumetric Flasks

Used to measure and store solutions with a high degree of accuracy.

Graduated Cylinders

Used to transfer liquids with a moderate degree of accuracy.

Pipettes

Used for transferring liquids with a fixed volume. The quantity of liquid is known to a high degree of accuracy.

Graduated Pipettes

Calibrated in the factory to release the desired quantity of liquid.

Disposable Pipettes

Useful for transferring liquids dropwise.

Made out of plastic.

Buret / Burette

Typically used in analytical, quantitative chemistry applications for measuring liquid solution.

The sample quantity delivered is changable.

Burette Clamp

Used to hold and secure a burette on a stand, so that a burette is fixed and more convenient for the experiment.

Funnel

Used to guide liquid or powder into a small opening.

Buchner Funnel

Used in filtration.

Buchner Funnel Vacuum Filtration Set-Up

Standard technique used for separating solid-liquid mixture when the goal is to retain the solid. Crystallization

Clamp

Used to hold round laboratory glassware.

Test Tube Brush

Used to clean test tubes and narrow mouth laboratory glassware.

Test Tube Holder

Used to hold test tubes when its hot

Test Tube Rack

Made out of wood. Used to hold multiple test tubes upright at the same time.

Bunsen Burner

A small gas burner used in the laboratory as a source of heat.

Petri Dish

A small dish shaped like a cylinder.

Stirring Rod

A glass stirring rod used to mix chemicals and liquids for laboratory purposes.

Graduated Dropper

Pasteur Pipette; used to transfer small quantities of liquid.

Crucible Tongs

Used to grip and lift objects instead of uolding them directly with your hands.

Utility Clamp

It resembles a pair of scissors.

Spot Plate

It is used as a reaction plate. Made out of ceramic (borosilicate).

Tripod

A 3-legged platform used to support flasks and beakers.

Wash Bottle

Used to rinse various pieces of laboratory glassware.

Wire Mesh

a.k.a. wire gauze or asbestos pad; it is used for uniform distribution of flame heat in base of a heated body.

Spatula

Used for scraping, transferring, or applying powders and pastes like chemicals or teatments.

Round-Bottom Flask

They are spherical bottoms used as lab glassware for chemical and biochemical work.

Condenser

Used to condense and in procedures involving organic liquids brought into the gaseous state through heating, with or without loweting the pressure.

Filter Paper

A semi-permeable paper barrier; used to separate fine substances from liquids or air / remove solids from liquids.

Chromatoography

The process of separating components.

Separatory Funnel

Used in liquid-liquid extractions to separate the components inyo two immiscible solvent phases of two different densities.

Filtering Flask

Used to separate solids from fluids in filtration.

Watch Glass

A concave glass used in chemistry as a surface to evaporate liquid, hold solids while being weighed, for heating, and as a cover for a beaker.

Fusion Tube

Thinner Glass intended to be broken into a container of water.

Mortar and Pestle

Used since ancient times.

Used in preparing substances by crushing and grinding them into a fine paste or powder.

Reagent Bottle

a.k.a. media bottles/graduated bottles

Intended to contain chemicals in liquid or powder form and stored in cabinets or shelves.

Litmus or pH paper

Turns Red in acids, Blue in bases.

Contains a chemical that changes color when it comes into contact with an acid or base.

Dessicator

Sealable enclosures containing dessicants used for preserving moisture-sensitive chemicals.

It is used to protect hygroscopic chemicals.

Crucible cover

Where metals and other substances may be melted or subjected to high temperatures.

Kipp's Apparatus

Used for producing a gas: Hydrogen Sulphide

Mechanical Shaker

Used to mix, blend, or agitate substances ina bottle or flask by shaking them.

Digital Balance

Very sensitive instruments used for weighing substances to the miligram level.

Magnetic Stirrer

Used to make a stir bar, immerse in a liquid, quickly spin, or stirring/mixing a solution.

Water Bath

A container filled with heated water.

Used to incubate samples in water at a constant temperature over a longe period of time.

Vacuum Pump

It evacuates chemically aggressive gases and vapors.

Digital Calorimeter

Measures the intensity or concentration of the color that develops upon inteoducing a reagent into a solution.

Digital pH Meter

Measures the hydrogen-ion activity in water-based solutions, indicating its qcidity or alkalinity expressed as pH.

Potentiometer

Used for measuring voltage by comparison of an unknown voltage with a known reference voltage.

pH

Potential of Hydrogen