Nanografi Nanotechnology

Carbon black  is virtually pure elemental carbon in the form of colloidal particles that is composed of fine particles consisting mainly of carbon. Its physical appearance is that of a black, finely divided pellet or powder. Carbon black, any of a group of intensely black, finely divided forms of amorphous carbon, usually obtained as soot from partial combustion of hydrocarbons. The term "carbon black" originated in the 1870's, when products manufactured from natural gas were sold under this name. Carbon black was called "soot" in the west and "shouen" in the east. Carbon black was used for writing letters on papyrus in ancient Egypt and on bamboo strips in ancient China.  Carbon black  production became a type of cottage industry about the time when the paper production method was established in the second century. In the 1740's, plant production started in the United States, and because of the production method used, it was then called ...