Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry (ISO 6869:2000); English version of DIN EN ISO 6869
动物饲料.钙 铜 铁 镁 锰 钾 钠和锌含量的测定.原子吸收光谱法(ISO 6869-2000);德文版EN ISO 6869:2000