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The company Hercules Incorporated developed the first alkaline sizing in the 1950s that made acid-free paper possible. [10] Despite the advances in paper making and the identification of and concern around the brittle book problem, it took decades before the adoption of ANSI NISO Standard Z39.48-1984 - Permanence of Paper for Publications and Documents in Libraries in 1984.
Although acid-free paper has become more common, a large body of acidic paper still exists in books made after the 1850s; this is because of its cheaper and simpler production methods. Acidic paper, especially when exposed to light , air pollution , or high relative humidity , yellows and becomes brittle over time. [ 1 ]
The delay in addressing these issues could be largely due to the onset of the Depression, and the following paper-hungry war which pushed the acid paper problem to the back of scientists' minds. Barrow's greatest significance is perhaps as an aggressive promoter of paper preservation, as in retrospect his scientific discoveries have not been ...
A vintage scrapbook. Scrapbooking is a method of preserving, presenting, and arranging personal and family history in the form of a book, box, or card. Typical memorabilia include photographs, printed media, and artwork. Scrapbook albums are often decorated and frequently contain extensive journal entries or written descriptions. Scrapbooking ...
The paper used in Moleskine products is Forest Stewardship Council certified and acid-free. Since August 2010, all Moleskine products, offered to retailers in California and throughout the world, comply with the Safe Drinking Water and Toxic Enforcement Act of 1986. After concerns in 2008 about PVC traces in some notebooks, all items are now ...
Chemical pulping involves dissolving lignin in order to extract the cellulose from the wood fiber. The different processes of chemical pulping include the Kraft process, which uses caustic soda and sodium sulfide and is the most common; alternatively, the use of sulfurous acid is known as the sulfite process, the neutral sulfite semichemical is treated as a third process separate from sulfite ...
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