GB/T 12690.14-2006
稀土金属及其氧化物中非稀土杂质化学分析方法 钛量的测定
Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals
2006-04-13
GB/T 12690.17-2010
稀土金属及其氧化物中非稀土杂质化学分析方法 第17部分：稀土金属中铌、钽量的测定
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 17：Determination of niobium and tantalum contents of rare earth metals
2011-01-14
GB/T 12690.3-2015
稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分：稀土氧化物中水分量的测定 重量法
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3: Determination of water content of rare earth oxides—Gravimetric method
2015-09-11
GB/T 12690.18-2017
稀土金属及其氧化物中非稀土杂质化学分析方法 第18部分：锆量的测定
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content
2017-10-14
GB/T 12690.15-2018
稀土金属及其氧化物中非稀土杂质 化学分析方法 第15部分：钙量的测定
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
2018-07-13
GB/T 12690.8-2021
稀土金属及其氧化物中非稀土杂质化学分析方法 第8部分：钠量的测定
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8: Determination of sodium content
2021-10-11
GB/T 12690.7-2021
稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分：硅量的测定
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content
2021-10-11
GB/T 12690.2-2015
Chemical analysis methods for nonrare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method
2015-09-11
GB/T 12690.2-2015
稀土金属及其氧化物中非稀土杂质化学分析方法 第2部分：稀土氧化物中灼减量的测定 重量法
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method
2015-09-11
GB/T 12690.19-2018
稀土金属及其氧化物中非稀土杂质化学分析方法 第19部分：砷、汞量的测定
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
2018-09-17
GB/T 12690.11-2003
稀土金属及其氧化物中非稀土杂质化学分析方法 镁量的测定 火焰原子吸收光谱法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method
2003-11-18
GB/T 12690.10-2003
稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
2003-11-18
GB/T 12690.21-2024
稀土金属及其氧化物中非稀土杂质化学分析方法 第21部分：稀土氧化物中硫酸根含量的测定 硫酸钡比浊法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry
2024-10-26
GB/T 12690.20-2024
稀土金属及其氧化物中非稀土杂质化学分析方法 第20部分：稀土氧化物中微量氟、氯的测定 离子色谱法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides—Ion chromatography method
2024-11-28
GB/T 12690.9-2003
稀土金属及其氧化物中非稀土杂质化学分析方法 氯量的测定 硝酸银比浊法
Chemical analysis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method
2003-11-18
GB/T 12690.16-2010
稀土金属及其氧化物中非稀土杂质化学分析方法 第16部分：氟量的测定 离子选择性电极法
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis
2011-01-14
GOST 23862.7-1979
Редкоземельные металлы и их окиси. Химико-спектральные методы определения примесей окисей редкоземельных элементов
稀土金属及其氧化物 化学光谱法测定稀土元素氧化物中的杂质
GB/T 17417.1-2010
稀土矿石化学分析方法 第1部分：稀土分量测定
Method for chemical analysis of rare earth ores - Part 1: Determination of rare earths
2010-11-10
ISO 24181-1-2024
Rare earth — Determination of non-rare earth impurities in individual rare earth metals and their oxides — ICP-AES — Part 1: Analysis of Al, Ca, Mg, Fe and Si
稀土单个稀土金属及其氧化物中非稀土杂质的测定ICP-AES第1部分:铝、钙、镁、铁和硅的分析
2024-08-02
GB/T 26416.2-2022
稀土铁合金化学分析方法 第2部分：稀土杂质含量的测定 电感耦合等离子体发射光谱法
Chemical analysis method for rare earth ferroalloy—Part 2: Determination of rare earth impurity contents—Inductively coupled plasma emission spectrometry
2022-12-30