COMMISSION ON ELECTROANALYTICAL CHEMISTRY (V.5)
Number: 550/63/97
Title: Lead-Based Second-Kind Electrodes in Aqueous Medium and
in Aqueous-Organic Solvent Mixtures
Coordinator(s): T.
Mussini
Completion Date: 2002 - project completed
Objective:
The availability of second-kind electrodes for sensing ions other
than halides, is poor in aqueous media and even worst in aqueous-organic
solvent mixtures. Extensive measurements have allowed a critical revision
of all existing data and procedures, together with extension of the
field of application. Directions for optimization of electrode designs,
set-up, standardization and operation procedures (both for thermodynamic
and analytical applications) are now focused. Standard electrode potentials
have been critically redetermined, or newly determined. The parallel
performances of second-kind lead/lead chromate, lead/lead sulphate,
and lead/lead phosphate electrodes have been calibrated.
Progress:
Project completed - IUPAC Technical Report published in Pure
Appl. Chem.
74(4), 593-600, 2002.
Last update: 31 May 2002