Creosote removed; the "heavy oil", which sinks; and the "anthracene oil", which when cold is mostly solid and greasy, of a buttery consistence. Creosote refers to the portion of coal tar which distills as "heavy oil", typically between 230–270 °C, also called "dead oil"; it sinks into water but still is fairly liquid. Carbolic acid is produced in the second fraction of distillation and is often distilled into what is referred to as "carbolic oil". Commercial creosote will contain substances from six groups. The two groups occur in the greatest amounts and are the products of the distillation process—the "tar acids",
A Is for Acid A Is for Acid A Is for Acid is a 2002 British television film based on the life of the serial killer John George Haigh, known as the Acid Bath Murderer, because he dissolved the bodies of six people in sulphuric acid. Haigh, hanged in 1949 for his crimes, had wrongly believed that murder could not be proven without the presence of a body. Starring Martin Clunes in the lead role, the film was shot in Scarborough, chosen because its appearance was believed similar to that of London when Haigh lived there during the 1940s. The film was produced by