|
|
A technical dictionary of
printmaking, André Béguin.
|
|
Back to Main Page of the
"Printmaking dictionary"
acidity
In aqueous solutions,
the condition wherein the concentration of hydrogen ions
exceeds that of hydroxyl ions. See
hydrogen ion
concentration.
In paper, the condition which results in an acid solution
when the paper is treated or extracted with water. In
testing paper for acidity, the specimen is extracted with
water at room temperature or at 100°C, and the extract
is tested to determine its pH or is titrated to determine
the total amount of acid extracted from the paper.
Back to Main Page of the
"Printmaking dictionary"
|