Polyether polyamino methylene phosphonates for high pH scale con

Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing

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252181, 252 80, 252 82, 210700, C02F 510

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053384776

ABSTRACT:
Polyether polyamino methylene phosphonates possess high calcium tolerance and have been found to give excellent inhibition of the formation, deposition and adherence of scale-forming salts, especially calcium carbonate, under severe conditions which include elevated pH, high dissolved solids content, and high saturation levels of calcium carbonate.

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