It has to do with the difference in affinity between the dyes that make up the ink or food coloring and the blotting paper compared to the solvent. This is paper chromatography. The dyes are carried along by the solvent (water) but is attracted to the substrate (the blotting paper). Some inks travel faster than others.
It spreads due to capillary action.
Diffusion
how do you remote dry ink from paper
Ink doesn't wash out of paper. If you were to wash it out, the paper would end up falling apart.
Take a black water soluble marker and draw a decent size dot in the middle or a coffee filter. Dip a finger in water and drop a few drops on the dot and watch the colors spread.
Buy and ink eraser.To removeinkfrom paper, try dabbing a cotton ball with some rubbing alcohol on the stain.
may be because the paper isn't of good quality
Ink is spreaded faster.
Are you asking why ink spreads and paper doesn't when water is spilled on a page? Ink is water soluble so it dissolves and spreads. Paper is not water soluble (although it will get soggy) so it doesn't dissolve.
The reason a drop of ink will spread over blotting paper capillary action.
You should try it and see. Go to the kitchen, get a clear glass of water, and add a drop of food colouring to it. Or ink, if you have it. It's probably how quick the ink spreads through the water
A drop of hand sanitizer, rub with a paper towel or cloth.
Ink jet printing used small drop of ink to print onto paper. These dots are extremely small, and print in a dot matrix pattern on the paper. Different colors of ink are combined together to make photograph quality images.
Diffusion
Ink jet printing used small drop of ink to print onto paper. These dots are extremely small, and print in a dot matrix pattern on the paper. Different colors of ink are combined together to make photograph quality images.
how do you remote dry ink from paper
Ink. Just as a pen writes on a paper with ink, a pen contains ink to write or draw.
When a octopus is scared it spreads ink