Ever Since the establishment of gas Works it has been considered a matter of great impbftpnee to find some useful application fdr their waste products, principally the coal tar The old custom was ...

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 ...

DR. BENEDIKT'S little book is a standard treatise in Germany, where the literature of the coal-tar colours is fast becoming a most important branch of the general literature of applied chemistry ...

We identified many of the cancer-causing chemicals in cigarette smoke and coal tar – including the first pure carcinogen ever to be isolated Image of a cigarette and smoke. Credit: Pixabay. We now ...