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Mauveine, also known as aniline purple and Perkin's mauve, was one of the first synthetic dyes. [ 1 ] [ 2 ] It was discovered serendipitously by William Henry Perkin in 1856 while he was attempting to synthesise the phytochemical quinine for the treatment of malaria . [ 3 ]
Sir William Henry Perkin FRS (12 March 1838 – 14 July 1907) [1] was a British chemist and entrepreneur best known for his serendipitous discovery of the first commercial synthetic organic dye, mauveine, made from aniline.
The yarn dyeing happens in hanks or in package dyeing. Package dyeing is a method where yarns are wound on perforated cones placed in a dye vessel. The dye solution is then alternatively pushed inside out and vice versa. Examples are many stripes, patterned (checks) and jacquard designed fabrics. [9] [15]
William Henry Perkin Jr., FRS FRSE (17 June 1860 – 17 September 1929) was an English organic chemist who was primarily known for his groundbreaking research work on ...
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“The Alabama Solution” is one of the most powerful exposés of the inhumanity of the American prison system I’ve ever seen. Directed by Andrew Jarecki (“Capturing the Friedmans,” “The ...
As of December 31, 2023, approximately 287 million reviews have been contributed to Yelp. In 2023, the company had over 36 million desktop unique visitors and over 60 million mobile web unique visitors. Yelp estimates that over 55% of its audience has an annual household income of more than $100,000. [5]
World War II pilot and longtime owner of L.P. Athol Corp., Vincent “Bill” J. Purple died in his Petersham home. He was 100.