Reagent
substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs
Wittig reagent
Votoček's reagent
substrate
Liebermann reagent
Zimmermann reagent
limiting reagent
phosphate buffered saline
Melzer's reagent
Benedict's reagent
Eaton's reagent
FOX reagent
chiral shift reagent
growth medium
Marquis reagent
Ishikawa reagent
Kovac's reagent
Baeyer's reagent
Dragendorff's reagent