Method for determining chelated ferric ion concentration

Details Method for determining chelated ferric ion concentration Method for determining chelated ferric ion concentration

1986-03-12

1988-10-04

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250372, G01J 336

Patent

active

047757930

ABSTRACT:
A method of determining the concentration of a chelated ferric ion in a solution comprising measuring the ultraviolet (UV) light absorption of the solution at the wavelength of about 237 to about 241 nanometers (nm). The measured absorption is then correlated to a previously-determined value of the chelated ferric ion for the measured UV absorption value.

REFERENCES:
patent: 3959249 (1976-05-01), Antonini
patent: 4189462 (1980-02-01), Thompson
patent: 4388293 (1983-06-01), Diaz
patent: 4499059 (1985-02-01), Jones et al.
Willard et al., "Instru. Methods of Analy." p. 88 (1974).

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