A composition for removing a divalent metal salts, method for Preparation and use to reduce the deposits of divalent metal salts in an aqueous System

摘要

A composition for removing divalent metal salts, characterized in that it comprises: (a) between 0.01% and 85% by weight of a tetrakis (hydroxymethyl) phosphonium sa (b) an ammonium salt in an amount such that the ratio of (a) (b) of 0.01: 1 to 100: 1(c) an Acid that is substantially non reactive with ions of tetrakis (hydroxymethyl) phosphonium and Ammonium ions in an amount sufficient to maintain the PH of the composition below 4.5.(d) can optionally be a sufficient amount of an aqueous Solvent to dissolve these components (a), (b) and (c), or a thinner Porous or Particulate in an amount sufficient to absorb the components (a) and (b).A method for preparing a composition according to any one of Claims 16 to 22, wherein Said method comprises Spraying on substrate Solution (or Solutions of these separate Components (a) and (b).