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Excerpt from A Systematic Survey of the Organic Colouring MattersThe period which has elapsed since the publication of the First Edition of this work in 1894 has been marked by a great development in the coal-tar colour industry. Many of the older dyestuffs and older methods of manufacture have become obsolete, whilst newer processes have been introduced, new intermediate products discovered, and an enormous array of new colouring-matters have...

Excerpt from A Systematic Survey of the Organic Colouring MattersThe period which has elapsed since the publication of the First Edition of this work in 1894 has been marked by a great development in the coal-tar colour industry. Many of the older dyestuffs and older methods of manufacture have become obsolete, whilst newer processes have been introduced, new intermediate products discovered, and an enormous array of new colouring-matters have...

Excerpt from The Analysis of Dyestuffs and Their Identification in Dyed and Coloured Materials, Lake-Pigments, Foodstuffs, EtcThe great progress in the development of the Artificial Dyestuff Industry, which has marked the past half - century, has brought with it an urgent necessity for systematic methods of analysis capable of being applied not only to dyestuffs in substance but also to all manner of dyed and coloured materials, such as textil...

Excerpt from The Analysis of Dyestuffs and Their Identification in Dyed and Coloured Materials, Lake-Pigments, Foodstuffs, Etc The great progress in the development of the Artificial Dyestuff Industry, which has marked the past half-century, has brought with it an urgent necessity for systematic methods of analysis capable of being applied not only to dyestuffs in substance but also to all manner of dyed and coloured materials, such as textil...