See the instrument.
Understand the principle.
From a micropipette to a spectrophotometer. Learn what each instrument does, identify its parts and practise explaining the science behind it.
Back to Practical Hub20 instruments to explore

Photoelectric colorimeter
Measures light absorption by coloured solutions in suitable biochemical assays.
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UV–visible spectrophotometer
Measures absorbance at selected wavelengths or across a spectrum in compatible samples.
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Cuvette
Holds a sample in the optical path of a colorimeter or spectrophotometer.
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Adjustable micropipette
Transfers small liquid volumes within the instrument’s stated range.
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Volumetric pipette
Transfers a fixed calibrated volume for accurate solution preparation.
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Burette
Delivers a measured variable volume during titration.
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Volumetric flask
Prepares a solution to a specified final volume.
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Graduated measuring cylinder
Measures liquid volume when moderate precision is sufficient.
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Test tubes
Holds small samples for reactions, observation or compatible heating in supervised practicals.
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Laboratory beaker
Holds, mixes and transfers liquids during sample and reagent preparation.
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Conical flask
Mixes solutions by swirling and receives titrant during titration.
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Vacuum filtration apparatus
Separates suspended solids from a liquid using a suitable filter medium and reduced pressure.
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Bench centrifuge
Separates components such as cells and liquid according to their sedimentation behaviour.
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Laboratory water bath
Maintains samples at a controlled temperature for suitable biochemical reactions.
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pH meter
Measures the acidity or alkalinity of compatible aqueous samples.
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Analytical balance
Measures mass accurately for reagent and standard preparation.
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Urinometer
Estimates urine specific gravity by flotation in a suitable specimen volume.
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Handheld refractometer
Estimates dissolved-solute concentration or specific gravity using the appropriate calibrated scale.
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Laboratory hot plate
Heats compatible vessels; some models also provide magnetic stirring.
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Vortex mixer
Rapidly mixes small samples in compatible closed tubes.
Identify · Locate · Practise 4 viva questions · Zoomable referenceA core teaching collection for both courses. Instrument models and practical lists vary by college. Photographs illustrate specific models; follow your department’s supervised practical programme.