Are You Practicing Safe-Scrapbooking?
The answer is c) wood pulp.
Lignin is found in all plants giving them strength and rigidity. Paper made from wood pulp is high in lignin unless it has been purposefully removed. Newspaper paper is especially high in this substance and thus it turns yellow rapidly with age. Paper or mementos which contain lignin and are in contact with our photos will cause them to become brittle and turn yellow with age. All scrapbook paper must be lignin free.
Which of the following ph levels is considered acid-free:
a) 1.0 - 2.5
b) 3.0 - 4.5
c) 5.0 - 6.5
d) 7.0 - 8.5