Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1993-11-22
1995-05-16
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
204418, 204403, G01N 2726
Patent
active
054157463
ABSTRACT:
This invention relates to a process for performing enhanced selectivity potentiometric ion determinations using an asymmetric ion membrane electrode having an asymmetric membrane with a hydrophilic layer fused to an ion-selective layer.
REFERENCES:
patent: 4840893 (1989-06-01), Hill et al.
patent: 5114859 (1992-05-01), Kagenow
patent: 5228973 (1993-07-01), Sekiguchi et al.
patent: 5236570 (1993-08-01), Ma et al.
Guen Sig Cha et al., Potentiometric Ion and Bio-Selective Electrodes Based on Asymmetric Cellulose Acetate Membranes, 1989, vol. 36, No. 1/2 pp. 271-278.
Bell Bruce F.
E. I. Du Pont de Nemours and Company
Niebling John
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