Understanding Coal Tar dyes in Food: Facts and Controversies Food colouring and other additives derived from coal tar have come in for some bad press recently. Hugh Westbrook delves into the ...

IN this volume Prof. Gardner has collected a series of lectures and addresses delivered on the British coal-tar industry and allied subjects during the last fifty years. These discourses fall ...

These colors, for there are many of them, have been prepared from the alkalies of coal tar by Messr3. W. Perkins and A. H. Church, two rising discoverers, and have been called by them nitroso ...