دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: water that contains dissolved compounds of calcium, magnesium, or both. Compare soft water.

water with a high mineral content.

n: Linear, anionic polymer made from the monomer acrylic acid, CH2=CHCOO- H+. The acrylic acid groups are evenly spaced along the chain. Acrylic acid polymer neutralized with NaOH is sodium polyacrylate (SPA). Polyacrylates are best utilized in soft water wi

n: water that is free of calcium or magnesium salts. Compare hard water.

water with low calcium and magnesium content.