Understanding key scrapbooking terms can mean the difference between properly preserved photographs and damaged ones. Acid Chemical compound found in some natural or synthetic materials or from pollution in the atmosphere.
Acids weaken fibers in paper, causing the paper to become brittle and turn yellow or brown.
Severe acid damage will results in burn marks. Protecting photographs and memorabilia from acid is the primary concern of archival scrapbooking. An alkaline material having a pH level of 7.0 or higher. Acid Migration Acid spreads. The opposite of acidic.