SN/T 5252-2020 进口铁矿石中铜、铬、锰、钡、钴、铊、铌、钽、钛、钼、钇、镧、铈、镨、钕、钐、铕、钆、镝、钬、铒、铥、镱含量的测定 电感耦合等离子体质谱法

SN/T 5252-2020 Determination of Concentrations of Copper, Chromium, Manganese, Barium, Cobalt, Thallium, Niobium, Tantalum, Titanium, Molybdenum, Yttrium, Lanthanum, Cerium, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium in Iron Ore Imports by Inductively Coupled Plasma Mass Spectrometry