Halogens Halogen acids

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C

C01B7/00Halogens Halogen acids

C01B7/01Chlorine Hydrogen chloride C01B7/012Preparation of hydrogen chloride from the elements C01B7/015Chlorine hydrates; Obtaining chlorine therefrom C01B7/017Preparation of hydrogen chloride by reacting together chlorine, water and carbon or carbon monoxide (the carbon not acting only as catalyst) C01B7/03Preparation from chlorides C01B7/035Preparation of hydrogen chloride from chlorides C01B7/04Preparation of chlorine from hydrogen chloride C01B7/05Preparation from ammonium chloride C01B7/055Preparation of hydrogen chloride from ammonium chloride C01B7/07Purification; Separation C01B7/0706of hydrogen chloride C01B7/0712by distillation C01B7/0718by adsorption C01B7/0725by active carbon C01B7/0731by extraction C01B7/0737hydrogen chloride being extracted C01B7/0743of gaseous or dissolved chlorine C01B7/075of liquid chlorine C01B7/09Bromine Hydrogen bromide C01B7/093Hydrogen bromide C01B7/096Bromine C01B7/13Iodine Hydrogen iodide C01B7/135Hydrogen iodide C01B7/14Iodine C01B7/16Preparation from seaweed C01B7/19Fluorine Hydrogen fluoride C01B7/191Hydrogen fluoride C01B7/192Preparation from fluorspar C01B7/193Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates C01B7/194Preparation from ammonium fluoride C01B7/195Separation; Purification C01B7/196by distillation C01B7/197by adsorption C01B7/198by solid ion-exchangers C01B7/20Fluorine C01B7/24Inter-halogen compounds