(also called acid transfer), n. ~ The movement of acid from an acidic material to material of lesser or no acidity, either from direct contact or through exposure to acidic vapors in the surrounding e [..]

The movement of acid from a material containing acid to one that is less acidic, pH neutral, or alkaline. The process can occur through direct contact or vapor transfer. One of the most common problem [..]

The transfer of acid from an acidic material to a less acidic or pH neutral material. This may occur directly, when the two materials are in intimate contact. For instance, acid may migrate from board [..]

The transfer of acid from an acidic material to a less acidic paper. This occurs when neutral or alkaline papers are exposed to atmospheric pollutants or acidic papers. Acid can also migrate from adhe [..]