Monitoring method for polyacrylic acids in aqueous systems

Details Monitoring method for polyacrylic acids in aqueous systems Monitoring method for polyacrylic acids in aqueous systems

1983-07-22

1985-04-30

Turk, Arnold

Chemistry: analytical and immunological testing

Synthetic or natural resin

436104, 436129, 436175, 436178, 210668, 210670, 210691, G01N 100, G01N 3106, B01D 1500, B01D 1200

Patent

active

045145040

ABSTRACT:
A quantitative method useful for field monitoring low concentrations of water soluble, polyacrylic acids in aqueous systems containing polyacrylic acids and other soluble ionic materials, such as ionic salts and phosphonates, is provided. The method involves adjusting the pH of the aqueous system to suppress the ionization of the polyacrylic acids followed by selective adsorption and concentration of the polyacrylic acids on a suitable adsorbent. Concentrated polyacrylic acids are then desorbed from the adsorbent and the concentration of the polyacrylic acids in the aqueous system is determined by conventional techniques.

REFERENCES:
patent: 3531463 (1970-09-01), Gustafson
patent: 3920398 (1975-11-01), Small et al.
patent: 4314823 (1982-02-01), Rich, Jr. et al.
Kunin, Robert; "Porous Polymers as Adsorbents-A Review of Current Practice;" Amber-Hi-Lites, No. 163; Rohm and Haas Co.; 1980.

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