title: Interference by traces of acetic anhydride in nonaqueous titrimetry of primary aromatic amines: improved titrations for procainamide hydrochloride.
mesh_terms: D000079:Acetaldehyde / Q000032:analysis; D000085:Acetates; D000107:Acetylation; D000588:Amines / Q000032:analysis*; D000812:Anhydrides / Q000032:analysis*; D001566:Benzocaine; D004355:Drug Stability; D007202:Indicators and Reagents; D008628:Mercury; D008722:Methods; D009566:Nitrates; D009573:Nitrites; D011342:Procainamide / Q000032:analysis*; D012545:Schiff Bases; D013424:Sulfanilamides / Q000032:analysis; D013696:Temperature
chemical_list: D000085:Acetates; D000588:Amines; D000812:Anhydrides; D007202:Indicators and Reagents; D009566:Nitrates; D009573:Nitrites; D012545:Schiff Bases; D013424:Sulfanilamides; D008628:Mercury; D000079:Acetaldehyde; D011342:Procainamide; D001566:Benzocaine