How to make ultraviolet ink
Ultraviolet ink can not be seen with the naked eye, but you need a lamp with ultraviolet light to read what has been written with it. This is what happens, for example, in the case of legal tender notes with the aim of avoiding counterfeiting. Ultraviolet ink can also be very useful for writing secret messages that we do not want others to discover. If you want to learn how to make it, we explain the steps to follow on how to make ultraviolet ink.
- Detergent for linen or Vaseline
- Brush, toothpick or cotton
- UV powder
- Water, alcohol or acetone
- Uv lamp
one
A simple way to prepare ultraviolet ink will be from household products such as a laundry detergent or also petroleum jelly .
two
You should use a brush, a wooden stick, a cotton swab or some other utensil that you can impregnate in the detergent or petroleum jelly and allow you to write.
3
On a white paper, write with the homemade ultraviolet ink the message you want to convey in a hidden way.
4
When we look at the paper with a UV lamp in a dark room, we can see what we have previously written.
5
In case this formula does not convince you, you can also prepare ultraviolet ink with chemical products. Go to a craft shop and craft supplies and ask for invisible UV powder .
6
Mix this powder with a soluble liquid : water, alcohol, acetone ... following the manufacturer's instructions.
7
When you have the solution ready, follow the same steps as in the previous case to write and see your secret message.
