Titration Application Note T–140 Automated photometric determination of lead using the Optrode Lead is determined at pH 4 to 5 by back-titration with zinc sulfate. To visualize the equivalence point, xylenol orange is used as indicator, and the equivalence point…
Klíčová slova
stirring, xylenol, propeller, optrode, swing, rel, bought, increment, arm, titrant, pause, criterion, greatest, photometric, recognition