| http://www.w3.org/ns/prov#value | - The treated dispersion at a pH of less than 7 has added to it an activator ion, e.g., any of the alkaline earth ions including magnesium, calcium, strontium, or barium or any of the heavy metal ions such as ferrous iron, cupric copper, manganous manganese and zinc, in the form of a salt such as a chloride, nitrate, acetate, oxide, or mixtures of salts at a concentration in the range of 0.005% to
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