Chemistry Experiments

95 experiment protocols with step-by-step instructions

All Categories Flame Tests Titrations Electrochemistry Organic Synthesis Crystallization Gas Laws Thermochemistry Qualitative Analysis Colorimetry Classroom Demonstrations
All Levels Beginner (Middle School) Intermediate (High School) Advanced (University) Professional (Lab)

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Beer-Lambert Law Verification

Demonstrating the linear relationship between absorbance and concentration

Verify the Beer-Lambert law by measuring the absorbance of CuSO₄ solutions at various concentrations and constructing a calibration curve.

Colorimetry · Intermediate (High School) · 60 min · 7 steps

Colorimetric Determination of Glucose

Measuring blood glucose analog using the DNS method

Determine glucose concentration using the dinitrosalicylic acid (DNS) colorimetric method and understand reducing sugar chemistry.

Colorimetry · Intermediate (High School) · 60 min · 7 steps

Determination of Iron in Water

Measuring dissolved iron concentration using thiocyanate colorimetry

Determine the concentration of iron(III) in a water sample using the thiocyanate colorimetric method.

Colorimetry · Intermediate (High School) · 75 min · 7 steps

Food Dye Analysis by Spectrophotometry

Identifying artificial food colors by their absorption spectra

Determine the identity and concentration of artificial food dyes in commercial beverages by measuring their absorption spectra.

Colorimetry · Intermediate (High School) · 60 min · 6 steps