Laboratory Equipment

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Presentation Description

Visual Guide to Common Chemistry Laboratory Equipment and its uses

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By: shebede_debede06 (7 month(s) ago)

Clear explanation :D

 

By: n0o0sa (8 month(s) ago)

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Presentation Transcript

Laboratory Equipment: 

Laboratory Equipment For more in-depth explanations, see: http://www.mreisley.com/tutorials/equipment/index.html

Beaker: 

Beaker For mixing & heating chemicals

Erlenmeyer Flask: 

Erlenmeyer Flask For mixing, storing, & heating chemicals

Graduated Cylinder: 

Graduated Cylinder For measuring liquid volumes accurately

Test Tube: 

Test Tube For mixing, storing, & heating small quantities of chemicals

Test Tube Rack: 

Test Tube Rack For holding test tubes when they contain chemicals or when drying

Test Tube Tong (Clamp): 

Test Tube Tong (Clamp) For holding & transporting hot test tubes

Ruler: 

Ruler For measuring length

Crucible & Cover: 

Crucible & Cover For heating chemicals (usually solids) to high temperatures

Clay Triangle: 

Clay Triangle For supporting crucibles while being heated

Crucible Tongs: 

Crucible Tongs For handling crucibles, evaporating dishes, and other hot equipment

Insulating Pad: 

Insulating Pad Allows hot items to cool while protecting the table surface

Hot Plate: 

Hot Plate For heating chemicals & equipment

Bunsen Burner: 

Bunsen Burner For heating chemicals & equipment Start with air vents shut & needle valve open 2 small twists Flame height  needle valve Flame type  air vents Barrel Air Vents Needle Valve Gas Inlet http://www.uwplatt.edu/chemep/chem/chemscape/labdocs/catofp/bunsbur/bunsbur2.htm

Striker: 

Striker For igniting a Bunsen Burner

Wire Gauze: 

Wire Gauze For supporting beakers and flasks when they are being heated over a Bunsen burner

Ring Stand: 

Ring Stand Provides support for other equipment Provides a means of raising equipment above the work surface

Iron Ring: 

Iron Ring For supporting glassware and other apparatus Attached to a ring stand

Utility Clamp: 

Utility Clamp Attaches to a ring stand to provide stability and support for other equipment

Mortar & Pestle: 

Mortar & Pestle For grinding solid chemicals into smaller pieces Mortar Pestle

Scoopula: 

Scoopula For scoop ing and transferring solid materials For scraping chemicals from containers, like a spat ula

Triangular File: 

Triangular File For scoring glass tubing to create a “clean” break

Rubber Tubing (Pinch) Clamp: 

Rubber Tubing (Pinch) Clamp For restricting or preventing the flow of gases or liquids through rubber tubing

Brushes: 

Brushes For scrubbing and cleaning glassware Cleaning glassware: Scrub with glassware soap & tap H 2 O Rinse 2x with tap H 2 O Final rinse with distilled H 2 O

Glass Stirring Rod & Rubber Policeman: 

Glass Stirring Rod & Rubber Policeman For stirring chemicals Aids in pouring liquids Aids in transferring “wet” products/solids

Evaporating Dish: 

Evaporating Dish For evaporating small amounts of liquid in order to collect a solute dissolved in solution (i.e. – salt from salt water)

Watch Glass: 

Watch Glass For covering beakers For evaporating very small quantities of liquid

Funnel: 

Funnel For transferring liquids (or solids) to avoid spills Used to filter mixtures

Pipet: 

Pipet For transferring and dispensing small volumes of liquids

Forceps: 

Forceps For handling small pieces of solid material

Trough: 

Trough For holding water for experiments

Wash Bottle: 

Wash Bottle For storing & dispensing distilled water

Syringe: 

Syringe For preparing & storing small quantities of gas for experiments

Thermometer: 

Thermometer For measuring temperature

Buret: 

Buret For measuring and dispensing very accurate volumes of liquid

Electronic Balance: 

Electronic Balance For measuring the mass of a material Tare/Print or Zero is used to “zero” the balance Force the display back to “0.00”