You have your photos and memorabilia all organized, now you are ready for the next step, deciding which product to use to display your memories. You will soon discover that there are many products and companies out there selling scrapbook materials. The key thing to remember when making your selections is to use products that are acid free, lignin free and photo safe. Let me explain what I mean here.
Acid , as it applies to papermaking, is a water-soluble compound that can be present in paper as a result of the papermaking process. In the presence of moisture, acid may cause paper to degrade.
Lignin is a brown organic substance that binds to cellulose fibres and hardens and strengthens the cell walls of plants. Lignin is the chief non-carbohydrate constituent of wood and is also a major contributor to the chemical degradation of paper. As it deteriorates, lignin gives off acids that cause paper to become brittle and to discolour on exposure to heat and light.
Photo safe is another term tossed around freely in this industry. It implies that the product will not harm your photos. Interesting fact, the scrapbooking industry is not regulated and therefore it can be difficult to determine which products are truly photo safe as companies can label their products to be misleading. Simply having a package product that states its photo safe does not mean the company met the required standards. For a product to be truly photo safe it must meet the international standard requirement ISO 18902 and say so on the packaging.
(Acid and lignin definitions taken from: HP @, http://h10025.www1.hp.com/ewfrf/wc/document?
docname=c00740449&lc=en&cc=us&dlc=&product=62997)
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