Sequestering agent

Details Sequestering agent Sequestering agent

1982-08-04

1984-12-04

Lieberman, Paul

Compositions

Fluent dielectric

N-containing

252 80, 252180, 252523, 252527, 252DIG11, C11D 326, C11D 333

Patent

active

044863390

ABSTRACT:
A sequestering agent useful in chelation of calcium and/or magnesium ions in aqueous solution comprises by weight from about 2 percent to about 20 percent iminodiacetic acid or a water-soluble salt thereof and from about 98 percent to about 80 percent of nitrilotriacetic acid or a water-soluble salt thereof.

REFERENCES:
patent: 3151084 (1964-09-01), Schiltz
patent: 3578708 (1971-05-01), Carlson
patent: 3734861 (1973-05-01), Carlson
patent: 3753930 (1973-08-01), Welder
patent: 3756950 (1973-09-01), Gluck
patent: 3846325 (1974-11-01), Flynn
Organic Chelating Agents, Soap and Chemical Specialties, pp. 52-55, Thomas A. Downey, Feb. 1966.

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