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The colour purple, which had been a mark of aristocracy and prestige since ancient times, was especially expensive and difficult to produce. Its extraction was variable and complicated, and so Perkin and his brother realised that they had discovered a possible substitute whose production could be commercially successful.
The Color Purple is a 1985 American epic coming-of-age period drama film directed by Steven Spielberg and written by Menno Meyjes. It is based on the Pulitzer Prize –winning 1982 novel of the same name by Alice Walker and was Spielberg's eighth film as a director, marking a turning point in his career as it was a departure from the summer ...
Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire, and later by Roman Catholic bishops. Similarly in Japan , the color is traditionally associated with the emperor and aristocracy.
The Color Purple is a 1982 epistolary novel by American author Alice Walker that won the 1983 Pulitzer Prize for Fiction and the National Book Award for Fiction.
A gender reveal event using blue-colored smoke bombs to represent the expectation of a male child. A gender reveal party is a party held during pregnancy to reveal the baby's sex to the expectant parents' family and friends, and sometimes to the parents themselves. Prenatal sex discernment technology furnishes the necessary information.
His experiments produced instead an unexpected residue, which turned out to be the first synthetic aniline dye, a deep purple color called mauveine, or abbreviated simply to mauve (the dye being named after the lighter color of the mallow [mauve] flower).
Its earliest form was invented in 1874 by Eugenio de Zuccato, a young Italian studying law in London, who called his device the Papyrograph. Zuccato's system involved writing on a sheet of varnished paper with caustic ink, which ate through the varnish and paper fibers, leaving holes where the writing had been.
The Roman mythographer Julius Pollux, writing in the 2nd century AD, asserted (Onomasticon I, 45–49) that the purple dye was first discovered by the philosopher Heracles of Tyre, or rather, by his dog, whose mouth was stained purple from chewing on snails along the coast at Tyre.
Mauve (/ ˈ m oʊ v / ⓘ, mohv; / ˈ m ɔː v / ⓘ, mawv) is a pale purple color named after the mallow flower (French: mauve). The first use of the word mauve as a color was in 1796–98 according to the Oxford English Dictionary, but its use seems to have been rare before 1859.
After decolorization, the gram-positive cell remains purple and the gram-negative cell loses its purple color. Counterstain, which is usually positively charged safranin or basic fuchsine, is applied last to give decolorized gram-negative bacteria a pink or red color.