Blue And Purple Pigments

Introduction

Colours ar imperative in our lives and they can be seen anywhere. Colours are also associated with many contrastive emotions. We also reap to make many creams in live which requires choice of colours such as in our purchase in clothes, hand phones and more. Pigments are important and are widely utilise in paints. Many surfaces are given a come on of paint to prevent themselves from erosion and to make them more attractive.

A very long time ago, the people then were not exposed to many dissimilar colours, primarily because many substances were not readily available. The colours that were widely available then were humans colours which could be seen in may paintings of the past. This could be because estate colours could be directly taken from the soil. Unfortunately, colours such as blueweed and discolor were not found because twain organic and mineral sources for stable blue and purple paints are very rare. The revolution occurred in the 19th century with industrialization. It brought almost chemical production of dyes and pigments. Blue was a highly determine colour perhaps due to its shortage.

The first blue pigment to be discovered was azurite which was found to occur as a natural mineral. Subsequently, Egyptian blue was invented however the recipe to fictionalisation it was lost in the Middle Ages.



Therefore, artists were only left with azurite and chromatic blue pigments. As science advanced, Prussian blue, cobalt blue and cerulean blue were invented. Below is the time line when the different blue pigments were discovered and used.

As for purple, it comes from the word purpul, an Old English word. It is often thought to be linked with royalty and nobleness because only the rich were able to afford Tyrian purple. The colour purple is a mixture of red and blue. Its development is largely linked to the development of blue pigments.
Below is the time line when the different purple pigments were discovered and used.

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