现行

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

现行

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

现行

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

现行

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

现行

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

现行

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

现行

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

现行

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

现行

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

现行

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

现行

GB/T 12690.2-2015

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

现行

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

现行

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

现行

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

现行

GB/T 12690.1-2022

稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分：碳、硫量的测定 高频-红外吸收法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1：Determination of carbon and sulfur contents—High frequency-infrared absorption method

2022-12-30

现行

GB/T 12690.6-2017

稀土金属及其氧化物中非稀土杂质化学分析方法 第6部分：铁量的测定 硫氰酸钾、1,10-二氮杂菲分光光度法
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method

2017-10-14

现行

GB/T 12690.12-2024

稀土金属及其氧化物中非稀土杂质 化学分析方法 第12部分：钍、铀量的测定 电感耦合等离子体质谱法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

2024-04-25

现行

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

现行

GB/T 12690.4-2021

稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method

2021-10-11

现行

XB/T 614.5-2011

钆镁合金化学分析方法　第5部分：稀土杂质量的测定
Chemical analysis methods of gadolinium-magnesium alloy—Part 5:Determination of rare earth impurity content

2011-12-20