'August wilhelm von hofmann' presentation slideshows

ALDEHYDES AND KETONES I. Nucleophilic Addition to Carbonyl

ALDEHYDES AND KETONES I. Nucleophilic Addition to Carbonyl. Chapter 16. Reading Assignment. SKIP: Section 16.8 SKIP: Section 16.19 I will be covering the remaining sections. Problem Assignment. In-Text Problems 16.1 and 2 3 (except for d) 5 - 10 12 - 18 21 - 25

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ALDEHYDES AND KETONES I. Nucleophilic Addition to Carbonyl

ALDEHYDES AND KETONES I. Nucleophilic Addition to Carbonyl. Chapter 16. Reading Assignment. SKIP: Section 16.8 SKIP: Section 16.19 I will be covering the remaining sections. Problem Assignment. In-Text Problems 16.1 and 2 3 (except for d) 5 - 10 12 - 18 21 - 25

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Title

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Synthetic dyes

Natural dyes. Synthetic dyes. Text: Chapter 12 pp 400-405. Natural fibers: cellulose (polysaccharides). Cellulose Fibers Cotton Linen Cellulose Derivatives (viscose) Rayon (viscose) Acetate. Text: Chapter 4 pp 143-149. Natural fibers: proteins. Protein Fibers: silk and wool.

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S cience of Textiles

Perkins Purple. It wasn't until 1856 that purple dye was synthesised, and could be cheaply produced. William Henry Perkins was trying to synthesise quinine, (a medicine for malaria) and accidentally produced the first chemical pigment. It happened to be purple. . S cience of Textiles.

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