国家标准题录

GB/T 15072.1-2008

Test method of precious alloys - Determination of gold content for gold, platinum and palladium alloys - Potentiometric titration using ferrous sulfate

实施日期

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ICS 分类

77.120.99

GB/T 13748.21-2009

Chemical analysis methods of magnesium and magnesium alloys - Part 21: Determination of elements by photoelectric direct reading atomic emission spectrometry

实施日期

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ICS 分类

77.120.20

GB/T 13748.20-2009

Chemical analysis methods of magnesium and magnesium alloys - Part 20: Determination of elements by inductively coupled plasma atomic emission spectrometry

实施日期

—

ICS 分类

77.120.20

GB/T 16484.1-2009

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 1: Determination of cerium oxide content - Ammonium ferrous sulfate titrimetry

实施日期

—

ICS 分类

77.120.99

GB/T 12690.3-2015

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

实施日期

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ICS 分类

77.120.99

GB/T 23522-2023

再生锗原料

Germanium renewable raw materials

实施日期

2024-04-01

ICS 分类

77.120.99

GB/T 18882.1-2023

离子型稀土矿混合稀土氧化物化学分析方法 第1部分：十五个稀土元素氧化物配分量的测定

Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore—Part 1:Determination of fifteen rare earth oxides composition

实施日期

2024-04-01

ICS 分类

77.120.99

GB/T 43139-2023

铸造铝合金液减压凝固试样密度检测

Density detecting method for vacuum solidified samples of casting aluminum alloys liquid

实施日期

2024-04-01

ICS 分类

77.120.10

GB/T 3884.18-2023

铜精矿化学分析方法 第18部分：砷、锑、铋、铅、锌、镍、镉、钴、铬、氧化铝、氧化镁、氧化钙含量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of copper concentrates—Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,chromium,aluminum oxide,magnesium oxide and calcium oxide contents—Inductively coupled plasma atomic emission spectrometry

实施日期

2024-03-01

ICS 分类

77.120.30

GB/T 3884.12-2023

铜精矿化学分析方法 第12部分：氟和氯含量的测定 离子色谱法和电位滴定法

Methods for chemical analysis of copper concentrates—Part 12:Determination of fluoride and chloride contents—Ion chromatography and potentiometric titration

实施日期

2024-03-01

ICS 分类

77.120.30

GB/T 34213-2023

蓝宝石单晶用高纯氧化铝

High purity alumina for sapphire single crystal

实施日期

2024-03-01

ICS 分类

77.120.10

GB/T 42668-2023

钐铁氮粘结永磁粉

Samarium-iron-nitrogen permanent magnetic powder for bonded magnet

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 42656-2023

稀土系储氢合金 吸放氢反应动力学性能测试方法

Rare earth-based hydrogen storage alloys—Test method for measurement of kinetic properties of hydrogenation dehydrogenation reaction

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 15677-2023

金属镧及镧粉

Lanthanum metal and lanthanum powder

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 29918-2023

稀土系储氢合金 压力-组成等温线（PCI）的测试方法

Rare earth-based hydrogen storage alloys—Test method for measurement of pressure-composition isotherm (PCI)

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 3620.2-2023

钛及钛合金加工产品化学成分允许偏差

Titanium and titanium alloy permissible variations of chemical composition for wrought product analysis

实施日期

2024-03-01

ICS 分类

77.120.50

GB/T 8151.26-2023

锌精矿化学分析方法 第 26 部分：银含量的测定 酸溶解-火焰原子吸收光谱法

Methods for chemical analysis of zinc concentrates—Part 26:Determination of silver content—Acid dissolution and flame atomic absorption spectrometric method

实施日期

2024-03-01

ICS 分类

77.120.60

GB/T 11064.16-2023

碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第16部分：钙、镁、铜、铅、锌、镍、锰、镉、铝、铁、硫酸根含量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 16: Determination of calcium, magnesium, copper, lead, zinc, nickel, manenases, cadmium, aluminum, iron and sulfate contents—Inductively coupled plasma atomic emission spectrometry

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 11064.9-2023

碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第9部分：硫酸根含量的测定 硫酸钡浊度法

Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 9: Determination of sulfate content—Barium sulfate turbidity method

实施日期

2024-03-01

ICS 分类

77.120.99

GB/T 6150.15-2023

钨精矿化学分析方法 第15部分：铋含量的测定 氢化物发生原子荧光光谱法和火焰原子吸收光谱法

Methods for chemical analysis of tungsten concentrates—Part 15：Determination of bismuth content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry

实施日期

2024-03-01

ICS 分类

77.120.99