Process and arrangement for measuring ion strength

Details Process and arrangement for measuring ion strength Process and arrangement for measuring ion strength

1983-06-10

1985-04-16

Turk, Arnold

Chemistry: analytical and immunological testing

Including titration or ph determination

204420, 204433, 324438, 436172, G01N 2100, G01N 2177, G01N 2736

Patent

active

045116601

ABSTRACT:
Process and apparatus for directly measuring the ion strength of an electrolyte solution is disclosed. The pH value of the electrolyte is measured by means of a first measurement with a first indicator dependent on the ion strength and by means of a second measurement with a second indicator dependent on ion strength in a manner different from the first indicator whereby the ion strength is computed by means of the approximation ##EQU1## J=ion strength Jo=ion strength upon calibration

REFERENCES:
patent: 3894917 (1975-07-01), Riseman et al.
patent: 4002428 (1977-01-01), Blanchard
patent: 4028196 (1977-06-01), Young
Britton, "Hydrogen Ions" 3rd Edition, Vol. 1 pp. 375-382 (1943).
A. Scarpa, Kinetic and Thermodynamic Aspects of Mitochondrial Calcium Transport, 1976, pp. 31-45, Academic Press.
S. Udenfriend, Fluorescence Assay in Biology and Medicine, Appendix I, Table I, 1962, p. 472, Academic Press.

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