Chemistry Experiments

95 experiment protocols with step-by-step instructions

Difficulty	≤15 min	≤30 min	≤60 min	60+ min
Beginner (Middle School)	1	1	1	1
Intermediate (High School)	0	1	1	1
Advanced (University)	0	1	1	1
Professional (Lab)	0	0	0	1

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Colorimetric Determination of Phosphate

Measuring phosphate levels in water using the molybdenum blue method

Determine the phosphate concentration in a water sample using the ammonium molybdate colorimetric method.

Quantifying protein concentration using Coomassie Brilliant Blue dye binding

Determine the protein concentration of an unknown sample using the Bradford assay and a BSA calibration curve.

Resolving a two-component mixture using simultaneous equations

Determine the individual concentrations of two dyes in a mixed solution using absorbance measurements at two wavelengths and simultaneous equations.

Measuring aspirin content in commercial tablets by UV absorption

Determine the amount of acetylsalicylic acid (aspirin) in commercial tablets using UV spectrophotometry after hydrolysis to salicylate.