Reference Articles:

1. Baczuk, R. J., and R. J. Dubois" Conductometric titration of perchlorate with tetraphenylarsonium chloride and a perchlorate ion specific electrode" Anal. Chem., 40, 685 (1968) 2. Hseu, T. M., and G. A. Rechnitz "Aanlytical study of a perchlorate ion selective membrane electrode" Anal. Lett., 1(10), 629 (1968) 3. Selig, W. " Lower limits of the potentiometric titration of perchlorate using a perchlorate ion-selective electrode" Microchem. J., 22, 1 (1977) 4. Smith, M. J., and S. E. Manahan "Low temperature precipitation titration of perchlorate and tetrafluoroborate with tetraphenylarsonium chloride and ion-selective electrodes" Anal. Chim. Acta, 48, 315 (1969)