![]() ![]() To this, is added a suitable amount of glue solution. To avoid this, scented materials are incorporated at the time of ink preparation.įor preparing a particular colored ink, first of all a 2.5% solution of that color in distilled water is made. (v) Scented materials: The organic decay of ink gives it sometimes, foul smell. Incorporation of boric or carbolic acid to the ink preparation checks this problem. The breakdown of these materials spoils the ink and this causes deposition of constituents in fountain pen of in the ink pot. (iv) Boric or carbolic acids: The principal constituents of ink are organic in nature. (b) The ink does not diffuse on papers after writing. (iii) Alcohol : Spirit or alcohol is mixed in ink because it helps in : This is mainly used in preparing the stamp pad inks. The mixing of glycerine checks the early drying of ink. (ii) Glycerine: Sometimes, glycerine is also used in preparing ink. (c) The flow of ink is maintained smooth. ![]() (b) The color of ink does not fade with time. Mixing of this in an ink solution, helps in many ways : (i) Glue: Gum Arabic (or gum acacia) is dissolved in hot water and this results in a sticky solution. Some aniline colors are also used in preparing ink which is dissolved directly in water. Over time it fades to a dull brownįollowing substances are mixed for preparing this type of ink: When first put to paper, this ink is bluish-black. Iron salts, such as ferrous sulfate (made by treating iron with sulfuric acid), were mixed with tannin from gallnuts (they grow on trees) and a thickener. About 1,600 years ago, a popular ink recipe was created. Evidence for the earliest Chinese inks, similar to modern ink sticks, is around 256 BC in the end of the Warring States Period and produced using manual labour from soot and animal glue. The history of Chinese inks can be traced back to the 12th century BC, with the utilization of natural plant (plant dyes), animal (squid ink), and mineral offset ink based on such materials as graphite that were ground with water and applied with ink brushes. Ink formulas vary, but commonly involve four components: ![]() Ink was first, used by the Egyptians around 4000 years ago. Ink is an essential item for students, teachers, authors and others. Thicker inks, in paste form, are used extensively in letterpress and lithographic printing. Ink is used for drawing and / or writing with a pen, brush, or quill. Ink is a liquid or paste that contains pigments and / or dyes and is used to color a surface to produce an image, text, or design. This project throws a light on types of inks from manufacturing point of view and includes method for preparing them either in chemistry laboratory or at home. ![]()
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