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Chemistry LibreTexts

Quantifying Nature

Quantitative analysis is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.

Thumbnail: The seven SI base units and their interdependency. Clockwise from top left: second (time), metre (distance), Ampere (electric current), mole (amount of substance), kilogram (mass), Kelvin (temperature) and candela (luminous intensity). Image used with permission (CC BY-SA 3.0; Dono)