2.2.2. FIA titrations in non-aqueous medium
The titration agent was 0.01M perchloric acid in anhydrous
acetic acid. Itwas prepared and standardized according
to [12,13].
2.3. Instrumentation
FIA titrations were carried out in the module apparatus
depicted in Fig. 1. The titration agent was pumped using a
Masterflex peristaltic pump (Cole–Palmer, USA) and Tygon
R-3603 tubes (Cole–Palmer, USA). Sample additionwas carried
out using a teflon low-pressure six-way valve (Rheodyne,
USA).