Astm D2074 Pdf Upd ◎ [EXTENDED]
Specific reagents like salicylaldehyde or phenyl isothiocyanate are added to reacting samples to isolate specific amine types before titration.
The standard describes a titration procedure used to calculate the "amine value," which is the number of milligrams of potassium hydroxide (KOH) equivalent to the basicity in 1 gram of a sample. : Indicators : Bromphenol blue and bromcresol green. astm d2074 pdf