Control of metal ions using bis(aminoalkyl) piperazine derivativ

Details Control of metal ions using bis(aminoalkyl) piperazine derivativ Control of metal ions using bis(aminoalkyl) piperazine derivativ

1987-04-03

1988-09-13

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210699, 252180, C02F 514

Patent

active

047707917

ABSTRACT:
It has now been found that certain phosphonate derivatives of bis(aminoalkyl) piperazines are good threshold agents to prevent metal ion precipitation in aqueous solutions. They also function as sequestering and/or chelating agents as do those which do not contain the phosphonate group.

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