组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 12690.19-2018
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
GB/T 36541-2018
Cerium-aluminium alloys
GB/T 16476-2018
Scandium metal
GB/T 13219-2018
Scandium oxide
GB/T 12690.15-2018
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
GB/T 5238-2009
GB/T 36398-2018
Lanthanum cerium-magnesium alloy
GB/T 16661-2018
Cerium carbonate
GB/T 23522-2009
GB/T 26412-2010
GB/T 12690.5-2017
GB/T 15676-2015
GB/T 17803-2015
GB/T 14635-2008
GB/T 34500.5-2017
Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 12690.5-2017
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents
GB/T 34609.1-2017
Method for chemical analysis of rhodium compounds—Part 1: Determination of rhodium content—Gravimetric method with hexaammine cobalt nitrate
GB/T 34500.4-2017
Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickel and titanium contents—Inductively coupled plasma emission spectrometry
GB/T 34500.3-2017
Chemical analysis methods for rare earth waste residue and waste water—Part 3: Determination of weak radioactivity（total activity of αandβ）
GB/T 34500.2-2017
Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD）