DIN EN ISO 29841-2014 植物油脂. 叶绿素a和a'降解产物的测定(脱镁叶绿素a, a'和焦脱镁叶绿素)(ISO 29841-2009); 德文版本EN ISO 29841-2014
Vegetable fats and oils - Determination of the degradation products of chlorophylls a and a' (pheophytins a, a' and pyropheophytins) (ISO 29841:2009); German version EN ISO 29841:2014