TY - CONF A1 - Ostermann, Markus A1 - Haase, Oskar A1 - Pfeifer, Jens A1 - Kipphardt, Heinrich T1 - A reliable and quick way to measure low levels of oxygen, nitrogen and carbon - Photon Activation combined with carrier gas hot extraction T2 - Trends in Sample Preparation ´07 T2 - Trends in Sample Preparation ´07 CY - Seggauberg, Austria DA - 2007-06-26 PY - 2007 AN - OPUS4-15691 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -