chemistry - 3a - common chemical apparatus Flashcards
What is a conical flask used for?
To hold an measure chemical liquid samples.
What is a digital balance used for?
To precisely measure the mass of an object.
What is a pipette with safety filler used for?
To transport a measured volume of liquid.
What is a burette used for?
To dispense small volumes of liquid with high accuracy.
What is a volumetric (standard) flask used for?
Measuring accurate volumes of liquid materials for laboratory experiments.
What is a distillation (round-bottomed) flask used for?
The separation and/or purification of liquids or liquid mixtures where the components have different boiling points.
What is a condenser used for?
Reducing a gas or vapour to a liquid.
What is a thermometer used for?
It measures temperature.
What is a Buchner or Hirsch or sintered glass funnel used for?
To separate solids (sludge) from a mixture.
What is glassware with ground glass joints (‘Quickfit’ or similar) used for?
Give gas tight seals provided they are properly inserted.
What is thin-layer chromatography apparatus used for?
It is used to separate compounds in a mixture.
What is a colorimeter used for?
To detect colour and determine the solutions concentration.
What is the melting point used for?
To characterize organic and inorganic crystalline compounds and to ascertain their purity.
What is a separating funnel used for?
Liquid-liquid extractions, separating a mixture’s components into two solvent phases of different densities.
