Why pages turn yellow

Off-gassing is basically a process of giving off harmful chemicals in the form of gas. Obviously, these gases are not good for your books because these gases pique the yellowing process. So, just make sure that there is good air circulation in the room where you have kept your bookcase. If you can fix a fan in the direction of the bookcase, then that will be extremely effective in keeping your book safe from turning yellow.

Humidity is just as bad as Sunlight: In the previous point, I told you that air is both good and bad for your books, right? So, the bad thing about air is that air carries moisture. And paper is really good at absorbing water out of the air. Water rapidly escalates the deterioration of paper.

So, humidity is extremely harmful to your books. Now, the ideal humidity percentage ranges from 30 to 50 percent. So, try to keep your books in a controlled humidity situation. Consistency in temperature: Too many fluctuations in temperature is detrimental to paper. Especially heat! Heat is very bad for books. But if the temperature keeps fluctuating, your books will turn yellow and have stains very quickly. Instead, keep your bookcase in a moderately cold room that is also dry at the same time.

Use lining paper: I told you earlier that wooden bookshelves go through the process of off-gassing, right? So, a great way to protect your books from these harmful gases is by placing protective lining paper on the bookshelves and then keeping your books. The lining paper works as a barrier between the wood and the books, therefore, keeping your books safe from turning yellow. You will find lining paper easily at stationery shops or even at shops selling different kinds of fabrics.

If I really want to preserve a book I put it in a plastic bag comic book style , keep it out of direct sunlight, and away from walls, which may be too hot or too cold throughout the year. DVDs, too. Raina said:. December 14, at AM. Very sweet of you to write this up! Thank you! It really helped. Have been collecting books and when I saw some of them yellowing I felt uncomfortable you surely understand my feelings better than my mother will.

Im not entirely crazy on the books looking like they were never touched but I do like them to be in good condition like you mentioned. God bless!

You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Tags book care , prevention , yellow pages. Share this: Twitter Facebook. Like this: Like Loading Tejas Nair said: October 24, at AM. Fei said: March 5, at AM. It's not that books would rather be blond, but rather that paper is made from components that yellow over time — at least when they're exposed to oxygen, Susan Richardson, a chemistry professor at the University of South Carolina, told Live Science.

Most paper is made from wood, which largely consists of cellulose and a natural wood component called lignin that gives land plant cell walls their rigidity and makes wood stiff and strong. Cellulose — a colorless substance — is remarkably good at reflecting light, which means we perceive it as being white.

This is why paper — including the pages of everything from sheet music to dictionaries — is usually white. But when lignin is exposed to light and the surrounding air, its molecular structure changes. Lignin is a polymer , meaning it's built from batches of the same molecular unit bonded together.

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