This merely depends on what color the ink is. Black ink is a mixture of at least 4 different colors.
Chromatography is the method used to separate a mixture of dyes or inks.
Conclusion: the dyes found in {substance being separated} were {components found}. the corresponding Retention factor are...................
You will get a chromatograph of the dyes in the pen's ink, instead of a reference mark.
As an example, acetone dissolve ink stains (liquid ink, gel, ballpoint pen paste). The effect is greater if the stain is recent. Note that the acetone can dissolve also the dyes of a textile material.
That would depend on the colour (color) of the ink.
Dyes of different colors in black ink can be separated using chromatographic techniques.
black and red and pie
Dyes.
The value is different for each ink.
There are many different companies who make the ink for permanent cosmetic makeup. It is essentially tattoo ink and is tattooed onto the skin. This is why it is called cosmetic tattooing as well.
alchole
Using chromatography.
Colors and dyes come from roots, berries, bark, or plant leaves, and are widely used in different applications such as ink for pens and to manufacture paints.
Plastic for the body Rubber for the grip Ink and dyes for the [ink]
Dyes and inks are separated using a method called chromatography. Basically you put a dot of ink or the dye you to separate on a piece of chromatography paper and stand it up-right. The ink spot or dye will spread across the paper and separate into different colours.
Black ink was invented in 900 a.d. by the chinese. Ink contains dyes and some powder rocks.
any ink