Archival Methods 11 x 14" White Archival Paper, Package of 100 Sheets High alpha cellulose pulp from purified wood fiber Buffered with calcium carbonate 2-3% alkaline reserve, pH 9 0.5, acid-free Sulfur content is less than 0.0008% reducible sulfur Lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five Paper will not degrade and cause harm to artwork or documents