How do bookstores prevent book pages from turning yellow?
In: 96
One more reason: Most printers use better paper now.
At one point, paper was turned white using a type of acid (think end of 1800s, start of 1900s).
Worked great! Only a few decades later, they found the paper started deteriorating faster than paper made *without* acid. Not only did the paper turn yellow, it eventually turned brown and brittle.
And that’s why publishers now make a big deal of printing pricy books on acid-free paper.
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