DIN 52340-11 Testing of glass - Chemical analysis of colourless soda-lime-glass - Part 11: Determination of BaO, CaO, MgO, Al<(Index)2>O<(Index)3>, Fe<(Index)2>O<(Index)3>, Cr<(Index)2>O<(Index)3> content by flame atomic absorption spectrometry (F AAS) and Na<(Index)2>O and K<(Index)2>O by flame atomic emission

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1997