Acidimetric titration of medicines being salts of weak acids and determining the end-point based on the iodate(V)-iodide reaction.
A sample being a salt of weak acid in a solvent is determined with hydrochloric acid in the presence of iodate, iodide and starch. The excess acid colours the solution blue.
Somogyi
Eugeniusz
E
Jagiellonian University Collegium Medicum, Department of Inorganic and Analytical Chemistry, Cracow, Poland.
Piotrowska
Joanna
J
D000143:Acids / Q000032:analysis; D023381:Endpoint Determination / Q000379:methods* / Q000706:statistics & numerical data; D007452:Iodates / Q000032:analysis*; D007455:Iodine / Q000032:analysis*; D012492:Salts / Q000032:analysis; D017186:Titrimetry / Q000379:methods / Q000706:statistics & numerical data
D000143:Acids; D007452:Iodates; D012492:Salts; D007455:Iodine