Method for determining the concentration of cations in a sample

Details Method for determining the concentration of cations in a sample Method for determining the concentration of cations in a sample

1989-01-30

1991-12-17

Hill, Jr., Robert J.

Chemistry: analytical and immunological testing

Metal or metal containing

Present in biological fluids

436 73, 436 79, 436169, 422 56, G01N 3320

Patent

active

050735012

ABSTRACT:
The invention is reagents and procedures for determining an amount of cations present in a sample, the reagent including one or more chromogenic cryptand compounds of formula I ##STR1## wherein k and j, either same or different, are equal to 1 to about 5;

REFERENCES:
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patent: 4367072 (1983-01-01), Vogtle et al.
patent: 4407962 (1983-10-01), Tobacco et al.
patent: 4645744 (1987-02-01), Charlton et al.
patent: 4670218 (1987-06-01), Gantzer et al.
patent: 4703015 (1987-10-01), Tobacco et al.
patent: 4808539 (1989-02-01), Chapoteau et al.
patent: 4859606 (1989-08-01), Cram et al.
patent: 4992381 (1991-02-01), Cram et al.
patent: 4994395 (1991-02-01), Chapoteau et al.

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