... (m/m) ≤0.00050.001Chroma (25% water solution) ≤5050Usage2-Acrylamido-2-methylpropanesulfonic acid AMPS 1.Water treatment: The AMPS monomer homopolymer with the ... the iron,zinc,aluminum,cooper,alloy in the closed water circulation system, they also could be used as cleaning ... of the acrylamide-2-methylpropane sulfonic acid with other water-soluble monomer, this is the indispensable chemical in all ...