About the Author
Dr. Hartwig Muller is the Head of the Safety Department of AIR LIQUIDE Medical in Germany, a subsidiary of AIR LIQUIDE selling only medical gases and accessories. He received both his degree and doctorate in Chemistry from the Technical University of Berlin, Germany and spent more than 30 years in the gas industry, occupied with Specialty and Medical Gases and their analytics. He has been member of international working groups of the European Industrial Gas Association and an Expert to the European Pharmacopoeia Commission for Medical Gases.