An acid (from the Latin acidus/acēre meaning sour) is a substance which reacts with a base. Commonly, acids can be identified as tasting sour, reacting with metals such as calcium, and bases like ...

Abstract The effects that 20 ppm poly (epoxysuccinic acid) (PESA), poly (aspartic acid) (PASP), and two poly (acrylic acid) (PAA) compounds with molecular weights of ∼2000 and ∼100 000 have on the ...