Acid Free Acids weaken the cellulose in paper, which leads to its break down, causing discoloration and disintegration. Therefore anything that touches your photos including paper, adhesives, embellishments and pens should be acid free. You can purchase a PH Neutral pen which you can test items to see if they are acidic or acid free. Click here for the details. Acid migration occurs when something with acid is placed against an article that is acid free. Photographs mounted on acidic paper will weaken and crumble. Acidic memorabilia can be added to scrapbooking layouts if a barrier is placed between the acid and acid free item. This can be in the form of sleeves and memorabilia pockets You can also seal an acidic item with clear embossing enamel to create an acid free barrier.
