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Revision and evaluation of national standard GB/T 14949.7 for the determination of potassium and sodium in manganese ore

YE Jinyan, YANG Shujie, ZHONG Junsong, LI Zhanjiang, TIAN Qiong, LIN Hai

冶金分析 . 2026, (7): 73 -78 . DOI: 10.13228/j.boyuan.issn1000-7571.013044