Unit1ChemicalIndustry化学工业1
OriginsoftheChemicalIiidustiyAlthoughtheuseofchemicalsdatesbacktotheancientcivilizations,theevolutionofwhatweknowasthemodemchemicalmdustiystartedmuchmorerecently
ItmaybeconsideredtohavebegundurmgtheIiidustiialRevolution,about1800
anddevelopedtoprovidechemicalsroeusebyotherindustries
Examplesarealkaliforsoapmaking,bleachingpowderforcotton,andsilicaandsodiumcarbonateforglassmakiiig・Itwillbenotedthattheseareallinorganicchemicals・Theorganicchemicalsindustiystartedinthe1860switlitheexploitationofWilliamHenryPerkin'sdiscoveryifthefiistsyntheticdyestuff—mauve
AtthestaitofthetwentiethcentuiytheemphasisonreseaichontheappliedaspectsofcheniistiyinGermanyhadpaidoffhandsomely,andby1914hadresultedintlieGeinianchemicalindustryhaving75%oftheworldmarketinchemicals・Thiswasbas