GB/T 45020-2024 鈮鉿合金化學(xué)分析方法 痕量雜質(zhì)元素的測定 電感耦合等離子體質(zhì)譜法

Chemical analysis methods for niobium and hafnium alloys - Determination of trace impurity elements - Inductively coupled plasma mass spectrometry

GB/T 12690.20-2024 稀土金屬及其氧化物中非稀土雜質(zhì)化學(xué)分析方法 第20部分：稀土氧化物中微量氟、氯的測定 離子色譜法

Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 20: Determination of trace amounts of fluorine and chlorine in rare earth oxides - Ion chromatography

GB/T 18882.4-2024 離子型稀土礦混合稀土氧化物化學(xué)分析方法 第4部分：三氧化二鐵含量的測定 電感耦合等離子體發(fā)射光譜法

Chemical analysis methods for ionic rare earth ores and mixed rare earth oxides Part 4: Determination of ferric oxide content Inductively coupled plasma optical emission spectrometry

GB/T 4698.29-2024 海綿鈦、鈦及鈦合金化學(xué)分析方法 第29部分：鋁、碳、鉻、銅、鐵、錳、鉬、鎳、硅、錫、釩、鋯含量的測定 光電直讀光譜法

Chemical analysis methods for titanium sponge, titanium and titanium alloys Part 29: Determination of aluminum, carbon, chromium, copper, iron, manganese, molybdenum, nickel, silicon, tin, vanadium and zirconium contents - Photoelectric direct reading spe

GB/T 12690.21-2024 稀土金屬及其氧化物中非稀土雜質(zhì)化學(xué)分析方法 第21部分：稀土氧化物中硫酸根含量的測定 硫酸鋇比濁法

Chemical analysis of non-rare earth impurities in rare earth metals and their oxides - Part 21: Determination of sulfate content in rare earth oxides - Barium sulfate turbidimetric method

GB/T 4698.26-2024 海綿鈦、鈦及鈦合金化學(xué)分析方法 第26部分：鉭和鎢含量的測定 電感耦合等離子體原子發(fā)射光譜法

Chemical analysis methods for titanium sponge, titanium and titanium alloys - Part 26: Determination of tantalum and tungsten content - Inductively coupled plasma atomic emission spectrometry

GB/T 11064.1-2024 碳酸鋰、單水氫氧化鋰、氯化鋰化學(xué)分析方法 第1部分：碳酸鋰含量的測定 滴定法

Chemical analysis methods for lithium carbonate, lithium hydroxide monohydrate and lithium chloride. Part 1: Determination of lithium carbonate content. Titration method

GB/T 16477.1-2024 稀土硅鐵合金及鎂硅鐵合金化學(xué)分析方法 第1部分：稀土總量、十五個稀土元素含量的測定

Methods for chemical analysis of rare earth ferrosilicon alloys and magnesia ferrosilicon alloys Part 1: Determination of total rare earth content and content of fifteen rare earth elements

GB/T 12690.12-2024 稀土金屬及其氧化物中非稀土雜質(zhì) 化學(xué)分析方法 第12部分：釷、鈾量的測定 電感耦合等離子體質(zhì)譜法

Non-rare earth impurities in rare earth metals and their oxides - Chemical analysis methods - Part 12: Determination of thorium and uranium content - Inductively coupled plasma mass spectrometry

GB/T 43604.1-2023 鎵基液態(tài)金屬化學(xué)分析方法 第1部分：鉛、鎘、汞、砷含量的測定 電感耦合等離子體質(zhì)譜法

Methods for chemical analysis of gallium-based liquid metals Part 1: Determination of lead, cadmium, mercury and arsenic contents by inductively coupled plasma mass spectrometry

GB/T 43489-2023 燒結(jié)釹鐵硼永磁體 恒定濕熱試驗

Constant damp heat test of sintered NdFeB permanent magnets

GB/T 6150.3-2023 鎢精礦化學(xué)分析方法 第3部分：磷含量的測定 磷鉬黃分光光度法和電感耦合等離子體原子發(fā)射光譜法

Methods for chemical analysis of tungsten concentrates Part 3: Determination of phosphorus content Phosphomolybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry

GB/T 4324.2-2023 鎢化學(xué)分析方法 第2部分：鉍和砷含量的測定

Methods of chemical analysis of tungsten Part 2: Determination of bismuth and arsenic content

GB/T 43358-2023 稀土礦及稀土產(chǎn)品 總α、總β放射性的測定 厚源法

Thick source method for determination of total alpha and total beta radioactivity of rare earth minerals and rare earth products

GB/T 18115.6-2023 稀土金屬及其氧化物中稀土雜質(zhì)化學(xué)分析方法 第6部分：銪中鑭、鈰、鐠、釹、釤、釓、鋱、鏑、鈥、鉺、銩、鐿、镥和釔量的測定

Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides - Part 6: Determination of the amounts of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbi

GB/T 6150.1-2023 鎢精礦化學(xué)分析方法 第1部分：三氧化鎢含量的測定 鎢酸銨灼燒重量法

Methods for chemical analysis of tungsten concentrates Part 1: Determination of tungsten trioxide content Ammonium tungstate ignition gravimetric method

GB/T 18882.1-2023 離子型稀土礦混合稀土氧化物化學(xué)分析方法 第1部分：十五個稀土元素氧化物配分量的測定

Methods for chemical analysis of mixed rare earth oxides of ionic rare earth ores - Part 1: Determination of the proportions of fifteen rare earth element oxides

GB/T 6150.10-2023 鎢精礦化學(xué)分析方法 第10部分：鉛含量的測定 氫化物發(fā)生原子熒光光譜法和火焰原子吸收光譜法

Methods of chemical analysis of tungsten concentrates - Part 10: Determination of lead content by hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry

GB/T 6150.12-2023 鎢精礦化學(xué)分析方法 第12部分：二氧化硅含量的測定 硅鉬藍(lán)分光光度法和重量法

Methods for chemical analysis of tungsten concentrates - Part 12: Determination of silica content by silicon molybdenum blue spectrophotometric and gravimetric methods

GB/T 42656-2023 稀土系儲氫合金 吸放氫反應(yīng)動力學(xué)性能測試方法

Test method for kinetic performance of hydrogen absorption and desorption reaction of rare earth hydrogen storage alloy