because it absorbs every colour of the spectrum
Using black and blue ink shows proffesialism, because your work will look more neat and professional when avoiding the use of colored ink. So when writing a formal letter by hand use black or blue ink.
Most office and art supply stores sell this ink. One brand you could look for is India ink.
photo black ink is more expensive
is black magic ink the same as India ink
Yes, black printer ink is cheaper than colored ink in general. It's also easier to refill black ink yourself.
No. There is no nickel in black ink. There is a concentration of iron in red ink. The majority of people that are allergic to any ink are the ones that are allergic to iron.
Black ink was used to draw draw pictures. You would dip a quill (a sharpened feather) into ink and draw picture because there wasn't markers black then. They also used black ink to write . you dip the quill into the ink and you start writing .
You can import them from China almost for free. For example http://www.dhgate.com/wholesale/black+gel+ink+pen.html They are really cheap, and they deliver it to your home or office for free!
ancient Egypt invented black ink but ancient china stole it from them.
The black ink is supposed to be darker than the colored ink. However, black ink is composed of all the colored inks combined. Thus, it is merely a mixture of all the other cartridges. This is why is should be bolder and darker.
black ink
no