A History of Invisible Ink

Posted by & filed under Ink chemistry.

Invisible ink can be split into two categories, organic and synthetic. As children, we’ve all made invisible ink from various organic substances, including lemon juice, vinegar and milk, developing them with the use of heat or ultraviolet light. Synthetic invisible inks contain chemical that require a specific ‘reagent’ in order to develop, such as another… Read more »

What is ink chemistry?

Posted by & filed under Ink chemistry, Screenprinting inks.

There is a lot more to ink than meets the eye. With so many types, colours and uses for ink it’s not surprising that it is a vast and complicated subject. An ink chemist is someone who specialises in the science of, and complexity behind, all varieties of ink. Ink is important within many different… Read more »