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India ink (British English: Indian ink; [1] also Chinese ink) is a simple black or coloured ink once widely used for writing and printing and now more commonly used for drawing and outlining, especially when inking comic books and comic strips. India ink is also used in medical applications.
For bright-field microscopy, negative staining is typically performed using a black ink fluid such as nigrosin and India ink.The specimen, such as a wet bacterial culture spread on a glass slide, is mixed with the negative stain and allowed to dry.
The manufacture of India ink was well-established by the Cao Wei dynasty (220–265 AD). [13] Indian documents written in Kharosthi with ink have been unearthed in Xinjiang. [14] The practice of writing with ink and a sharp pointed needle was common in early South India. [2] Several Buddhist and Jain sutras in India were compiled in ink. [3]
Top to bottom: blue Lamy T 10 proprietary ink cartridge and Z 27 and Z 28 ink converters. Fountain pens carry ink within the barrel, traditionally either inserted at one end in bulk with a syringe or eyedropper pipette, or through a mechanical filling system built into the pen (such as a piston or vacuum-pump mechanism).
Two cartridges; one with black ink (a third-party HP 15 compatible cartridge), one with colored inks (an original type HP 17 tri-color cartridge) currently installed in an HP inkjet printer. An ink cartridge or inkjet cartridge is a component of an inkjet printer that contains ink to be deposited onto paper during printing . [ 1 ]
Solid ink – a type of ink for use in printers; Soy ink – made from soybeans and more environmentally friendly than some other inks; Space Pen – a pen which uses pressurized ink cartridges and is able to write in zero gravity; Speedball – a manufacturer of pens and other art materials; Stark's ink – a homemade ink in the 19th century
In printing, under color removal (UCR) is a process of eliminating overlapping yellow, magenta, and cyan that would have added to a dark neutral (black) and leaving the black ink only, called a full black, during the color separation process. Under color removal is used in process color printing.
Structure of a major component of the dye nigrosin. In staining dyes, nigrosin (CI 50415, Solvent black 5) is a mixture of black synthetic dyes made by heating a mixture of nitrobenzene, aniline, and hydrochloric acid in the presence of copper or iron. [1] Related to induline, it is a mixture of phenazine-based compounds.