During the 11th century the color of ink that was used would have been either blue-ish black or just black and it would over time fade to a brownish color. Not long after that in the 15th century a new type of ink was produced for Gutenberg and the printing press.
It's a physical property
You can purchase color ink for printers online from stores such as Walmart and Office Max. Alternatively, you can get color ink cartridges from retailers such as Amazon and Overstock.
Its Color
black ink
Yes, black ink is generally cheaper than color ink because it is used more frequently in printing. Color ink can be more expensive due to the additional cartridges needed to produce different colors.
It is occording what color the ink is to turn water to that color. when mixing ink and water it does not seperate like oil and water. the ink mixes with the water ;D
The only difference is the color of the ink.
Black ink
1093 + 1086 = 2179
no.
ink
The recommended ink color for signing legal documents is typically black or blue.