DIN EN ISO 14911:1999
Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH4<(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water (ISO 14911:1998); G