Method for determining ionic strength of a sample

Details Method for determining ionic strength of a sample Method for determining ionic strength of a sample

1986-08-21

1987-12-29

Richman, Barry S.

Chemistry: analytical and immunological testing

Process or composition for determination of physical state...

422 56, 436163, 436169, 436172, G01N 2177, G01N 3352

Patent

active

047161183

ABSTRACT:
One measurement each is obtained from two optical sensors of ion concentration, following which the measured values are used for empirical determination of the ionic strength of an electrolytic solution. The sensors contain the same indicator substance but differ with regard to surface modification, thus ensuring different responses to ionic strength in spite of identical excitation and fluorescence wavelengths and the resulting simplicity of the optical system.

REFERENCES:
patent: 3926830 (1975-12-01), Horiguchi et al.
patent: 4029598 (1977-06-01), Neisius et al.
patent: 4166804 (1979-09-01), Bleha et al.
patent: 4318709 (1982-03-01), Falb et al.
patent: 4376827 (1983-03-01), Stiso et al.
patent: 4473650 (1984-09-01), Wang
patent: 4511660 (1985-04-01), Lubbers et al.
patent: 4532216 (1985-07-01), Wang
Harper, Analytical Chemistry, vol. 47, No. 2, pp. 348-351, Feb. 1975.
Chemical Abstracts, vol. 93, No. 93:217593a (1980), Falb et al.

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