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Kemi 2 Kapitel 1

Kemins karaktär och arbetssätt

TermDefinition
Analys En kemisk analys är en undersökning för att ta reda på vad och hur mycket som finns av olika ämnen.
Centrifugering
Cocktaileffekt
Destillation
Detektionsgräns Den minsta mängd, halt eller koncentration av ett ämne som går att analysera.
Detektor Ett instrument med vars hjälp kan man påvisa ett ämne.
Elementaranalys
Emulsion
Etik
Extraktion
Filtrering
Fraktion
Kristallisation
Kvalitativ analys Ger svar på frågor om vilka ämnen som ingår i ett prov.
Kvalitetskontroll
Kvantitativ analys Innebär bestämning av mängden eller massan av ett ämne i ett prov.
Modell Ett sätt att åskådliggöra en teori.
Prov En representativ del av en helhet.
Provberedning Det som gör ett prov möjligt att analysera.
Provtagning
Reagens En substans som används för att påvisa ett ämne.
Renframställning
Separation Uppdelning av en blanding i dess beståndsdelar.
Synergieffekt
Syntes
Teori
UpparbetningEtt st
 

 



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