Nitrate selective amidine ion exchange resins

Details Nitrate selective amidine ion exchange resins Nitrate selective amidine ion exchange resins

1977-07-01

1979-01-16

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

210 37R, 526 16, 526 23, 526 49, C08F 832, C02B 156

Patent

active

041348613

ABSTRACT:
Water swellable ion exchange resins comprising a polymeric matrix and amidine groups are described together with their synthesis. The preferred amidine groups are nitrate selective and methods of selectively removing nitrate from water are also described.

REFERENCES:
patent: 3389096 (1968-06-01), Abrams et al.
patent: 3826787 (1974-07-01), Capozza

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