Topyaps Logo

Topyaps Logo Topyaps Logo Topyaps Logo Topyaps Logo

Topyaps menu

Responsive image

This Is Why Books And Newspapers Turn Yellow As They Turn Old

Published on 23 December, 2016 at 12:46 pm By

We all know that most papers are made out of wood and that wood contains two substance in abundance, cellulose and Lignin.

 

Representational Image. Excel Product

With time, as these two substances are exposed more to oxygen and sunlight, they go through the natural process of oxidation which results in loss of electrons.

The more electrons that the paper loses, the more yellow – brown it starts to appear.

Photo Bucket

That is why over the decades, important documents have been written or printed on acid-free papers which have less amount of Lignin thus making it last longer.

Here is a video explaining the whole thing in detail.



 


Advertisement

Advertisement

Latest Stories

Here’s Google’s report of the best Android apps 2020 in India

Here’s Google’s report of the best Android apps 2020 in India


Kangana Shared A Two Piece Picture of Her Got Trolled on Twitter

Kangana Shared A Two Piece Picture of Her Got Trolled on Twitter


17 Unseen Photos of Harshita Gaur, Famous Actress of Sadda Haq & Mirzapur

17 Unseen Photos of Harshita Gaur, Famous Actress of Sadda Haq & Mirzapur


Mia Khalifa Caught Using Her Face Mask To Pick Up Dog Poo And Put It back On Her Face

Mia Khalifa Caught Using Her Face Mask To Pick Up Dog Poo And Put It back On Her Face


Glamorous Avatar of Rasika Dugal, Mirzapur Actress Will Have You Drooling All Over Her Instagram Feed

Glamorous Avatar of Rasika Dugal, Mirzapur Actress Will Have You Drooling All Over Her Instagram Feed


Advertisement

Most Searched

More From Education

Popular on The Web