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DIN 50450-9
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Testing of materials for semiconductor technology – Determination of impurities in carrier gases and dopant gases – Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C1-C3-hydrocarbons in gaseous hydrogen chloride by gaschromatography standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2003
