Absorption spectroscopy: principles, instruments, and applications Absorption spectroscopy Overview of absorption spectroscopy: how matter absorbs light, the physical basis, instrument types, historical milestones, and common analytical and astronomical uses.
Beer–Lambert law: absorption of light by matter Beer-Lambert law The Beer–Lambert law describes how a material attenuates light as it travels through it. It links absorbance to concentration and path length and underpins spectrophotometry and ma…
Burette: Laboratory Glassware for Precise Liquid Dispensing Burette A burette (also spelled buret) is a graduated laboratory tube with a stopcock used to dispense and measure variable, precise volumes of liquid—commonly used in titrations and volum…
Chemical purification: methods, history, and practical applications Chemical purification Overview of chemical purification: goals, common laboratory and industrial methods, measures of purity, historical development, uses in pharmaceuticals and research, and distinctio…