Chemistry has influenced and continues to influence the development of philosophy and chemistry itself, in turn, has been influenced by philosophy.Studies of chain reactions, the theory of which is based on the work.

Analytical chemistry is a collection of techniques that allows exact laboratory determination of the composition of a given sample of material.Circa 1600.C., indigo came to be used as a natural fabric dye, followed later by Tyrian purple and alizarin.He recognized the true nature of combustion, introduced a new chemical nomenclature, and wrote the first modern chemistry textbook.

Main article: Phase In addition to the specific chemical properties that distinguish different chemical classifications, chemicals can exist in several phases.Khimiia v izdaniiakh Akademii nauk sssr, vol.(Translated from English.) Vant Hoff,.