China National Standards

China content GB Standards English PDF List


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "content" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 4702.2-2008 Chromium metal - Determination of silicon content - The perchloric acid gravimetric method
    金属铬 硅含量的测定 高氯酸重量法
    China National Standards
    content

    English PDF
    GB/T 4702.16-2008 Chromium metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
    金属铬 硫含量的测定 红外线吸收法和燃烧中和滴定法
    China National Standards
    content

    English PDF
    GB/T 4701.6-2008 Ferrotitanium - Determination of aluminum content - EDTA titrimetric method
    钛铁 铝含量的测定 EDTA滴定法
    China National Standards
    content

    English PDF
    GB/T 4701.4-2008 Ferrotitanium - Determinatino of manganese content - Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
    钛铁 锰含量的测定 亚砷酸盐 亚硝酸盐滴定法和高碘酸盐光度法
    China National Standards
    content

    English PDF
    GB/T 4701.10-2008 Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
    钛铁 硫含量的测定 红外线吸收法和燃烧中和滴定法
    China National Standards
    content

    English PDF
    GB/T 4699.6-2008 Ferrochromium and silicochromium - Determination of sulfur content - The infrared absorption method and the combustion-titration method
    铬铁和硅铬合金 硫含量的测定 红外线吸收法和燃烧中和滴定法
    China National Standards
    content

    English PDF
    GB/T 4699.4-2008 Ferrochromium and silicochromium - Determination of carbon content - Infrared absorption method and gravimetric method
    铬铁和硅铬合金 碳含量的测定 红外线吸收法和重量法
    China National Standards
    content

    English PDF
    GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method
    铬铁和硅铬合金 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法
    China National Standards
    content

    English PDF
    GB/T 3654.8-2008 Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method
    铌铁 钛含量的测定 变色酸光度法
    China National Standards
    content

    English PDF
    GB/T 3654.6-2008 Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
    铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法
    China National Standards
    content

    English PDF
    GB/T 3654.2-2008 Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method
    铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法
    China National Standards
    content

    English PDF
    GB/T 3653.4-2008 Ferroboron - Determination of aluminium content - EDTA titrimetric method
    硼铁 铝含量的测定 EDTA 滴定法
    China National Standards
    content

    English PDF
    GB/T 2601-2008 The chromatographic method for determination of content of hydroxybenzene
    酚类产品组成的气相色谱测定方法
    China National Standards
    content

    English PDF
    GB/T 2288-2008 Coking products - Determination of moisture content
    焦化产品水分测定方法
    China National Standards
    content

    English PDF
    GB/T 223.9-2008 Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
    钢铁及合金 铝含量的测定 铬天青S分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.75-2008 Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method
    钢铁及合金 硼含量的测定 甲醇蒸馏-姜黄素光度法
    China National Standards
    content

    English PDF
    GB/T 223.73-2008 Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method
    钢铁及合金 铁含量的测定 三氯化钛-重铬酸钾滴定法
    China National Standards
    content

    English PDF
    GB/T 223.72-2008 Iron, steel and alloy - Determination of sulfur content - Gravimetric method
    钢铁及合金 硫含量的测定 重量法
    China National Standards
    content

    English PDF
    GB/T 223.70-2008 Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method
    钢铁及合金 铁含量的测定 邻二氮杂菲分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.69-2008 Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace
    钢铁及合金 碳含量的测定 管式炉内燃烧后气体容量法
    China National Standards
    content

    English PDF
    GB/T 223.67-2008 Iron, steel and alloy - Determination of sulfur content -Methylene blue spectrophotometric method
    钢铁及合金 硫含量的测定 次甲基蓝分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.64-2008 Iron, steel and alloyed - Determination of manganese content - Flame atomic absorption spectrometric method
    钢铁及合金 锰含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 223.55-2008 Iron, steel and alloy - Determination of tellurium content - Oscillo-polarographic method
    钢铁及合金 碲含量的测定 示波极谱法
    China National Standards
    content

    English PDF
    GB/T 223.43-2008 Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method
    钢铁及合金 钨含量的测定 重量法和分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.31-2008 Iron, steel and alloy - Determination of arsenic content -Distillation-molybdenum blue spectrophotometric method
    钢铁及合金 砷含量的测定 蒸馏分离-钼蓝分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.29-2008 Iron, steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method
    钢铁及合金 铅含量的测定 载体沉淀-二甲酚橙分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.26-2008 Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
    钢铁及合金 钼含量的测定 硫氰酸盐分光光度法
    China National Standards
    content

    English PDF
    GB/T 223.23-2008 Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
    钢铁及合金 镍含量的测定 丁二酮肟分光光度法
    China National Standards
    content

    English PDF
    GB/T 21834-2008 Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method
    中低合金钢 多元素成分分布的测定 金属原位统计分布分析法
    China National Standards
    content

    English PDF
    GB/T 18876.3-2008 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology
    应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第3部分 钢中碳化物级别的图像分析与体视学测定
    China National Standards
    content

    English PDF
    GB/T 8313-2008 Tea-Determination of total polyphenols and catechins content
    茶叶中茶多酚和儿茶素类含量的检测方法
    China National Standards
    content

    English PDF
    GB/T 21729-2008 Tea - Determination of selenium content
    茶叶中硒含量的检测方法
    China National Standards
    content

    English PDF
    GB/T 21728-2008 Brick tea - Determination of fluoride content
    砖茶含氟量的检测方法
    China National Standards
    content

    English PDF
    GB/T 21727-2008 Instant tea in solid form - Determination of catechins content
    固态速溶茶 儿茶素类含量的检测方法
    China National Standards
    content

    English PDF
    GB/T 7570-2008 Wool - Determination of acid content
    羊毛 含酸量的测定
    China National Standards
    content

    English PDF
    GB/T 7569-2008 Wool - Determination of alkali content
    羊毛 含碱量的测定
    China National Standards
    content

    English PDF
    GB/T 3554-2008 Standard test method for oil content of petroleum waxes
    石油蜡含油量测定法
    China National Standards
    content

    English PDF
    GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
    乳与乳制品中非蛋白氮含量的测定
    China National Standards
    content

    English PDF
    GB/T 21525-2008 Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration
    无机化工产品中镁含量测定的通用方法 络合滴定法
    China National Standards
    content

    English PDF
    GB/T 6150.6-2008 Methods for chemical analysis of tungsten concentrates - Determination hygroscopic moisture content - Gravimetric method
    钨精矿化学分析方法 湿存水量的测定 重量法
    China National Standards
    content

    English PDF
    GB/T 6150.5-2008 Methods for chemical analysis of tungsten concentrates - Determination of calcium content - EDTA volumetric method and flame atomic absorption spectrometric method
    钨精矿化学分析方法 钙量的测定 EDTA容量法和火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 6150.4-2008 Methods for chemical analysis of tungsten concentrates - Determination of sulfur content - The high frequency-infrared absorption method
    钨精矿化学分析方法 硫量的测定 高频红外吸收法
    China National Standards
    content

    English PDF
    GB/T 6150.15-2008 Methods for chemical analysis of tungsten concentrates - Determination of bismuth content - Flame atomic absorption spectrometric method
    钨精矿化学分析方法 铋量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 6150.14-2008 Methods for chemical analysis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
    钨精矿化学分析方法 锰量的测定 硫酸亚铁铵容量法和火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method
    钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法
    China National Standards
    content

    English PDF
    GB/T 6150.11-2008 Methods for chemical analysis of tungsten concentrates - Determination of zinc content - Flame atomic absorption spectrometric method
    钨精矿化学分析方法 锌量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 6150.10-2008 Methods for chemical analysis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method
    钨精矿化学分析方法 铅量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 5124.2-2008 Methods for chemical analysis of hardmetals - Determination of insoluble (free) carbon content - Gravimetric method
    硬质合金化学分析方法 不溶(游离)碳量的测定 重量法
    China National Standards
    content

    English PDF
    GB/T 5124.1-2008 Methods for chemical analysis of hardmetals - Determination of total carbon content - Gravimetric method
    硬质合金化学分析方法 总碳量的测定 重量法
    China National Standards
    content

    English PDF
    GB/T 3253.6-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method
    锑及三氧化二锑化学分析方法 硒量的测定 原子荧光光谱法
    China National Standards
    content

    English PDF
    GB/T 3253.5-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometric method
    锑及三氧化二锑化学分析方法 铜量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 3253.3-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method
    锑及三氧化二锑化学分析方法 铅量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of iron content - Orthophenanthroline spectrophotometric method
    锑及三氧化二锑化学分析方法 铁量的测定 邻二氮杂菲分光光度法
    China National Standards
    content

    English PDF
    GB/T 3253.1-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of arsenic content - Arsenic molybdenum blue spectrophotometric method
    锑及三氧化二锑化学分析方法 砷量的测定 砷钼蓝分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.9-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 9:Determination of lithium content Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第9部分:锂含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 20975.8-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 8:Determination of zinc content
    铝及铝合金化学分析方法 第8部分:锌含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.7-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 7:Determination of manganese content Potassium periodate spectrophotometric method
    铝及铝合金化学分析方法 第7部分: 锰含量的测定 高碘酸钾分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.6-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 6:Determination of cadmium content Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第6部分:镉含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 20975.5-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 5:Determination of silicon content
    铝及铝合金化学分析方法 第5部分:硅含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 4:Determination of iron content Orthopenanthroline photometric method
    铝及铝合金化学分析方法 第4部分:铁含量的测定 邻二氮杂菲分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.3-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 3:Determination of copper content
    铝及铝合金化学分析方法 第3部分: 铜含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.24-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 24:Determination of total rare earth contents
    铝及铝合金化学分析方法 第24部分:稀土总含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 23:Determination of antimony content Potassium iodide spectrophotometric method
    铝及铝合金化学分析方法 第23部分:锑含量的测定 碘化钾分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 22:Determination of beryllium content SCR spectrophotometric method
    铝及铝合金化学分析方法 第22部分:铍含量的测定 依莱铬氰兰R分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.21-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 21:Determination of calcium content Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第21部分:钙含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 20975.20-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 20:Determination of gallium content Butyrhodamine B spectrophotometric method
    铝及铝合金化学分析方法 第20部分:镓含量的测定 丁基罗丹明B分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 19:Determination of zirconium content
    铝及铝合金化学分析方法 第19部分:锆含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.18-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 18:Determination of chromium content
    铝及铝合金化学分析方法 第18部分:铬含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.17-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 17: Determination of strontium content Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第17部分:锶含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 20975.15-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 15:Determination of boron content
    铝及铝合金化学分析方法 第15部分:硼含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.14-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 14:Determination of nickel content
    铝及铝合金化学分析方法 第14部分:镍含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.13-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 13:Determination of vanadium content N-benzoyl-Nphenylhydroxylamine spectrophotometric method
    铝及铝合金化学分析方法 第13部分: 钒含量的测定 苯甲酰苯胲分光光度法
    China National Standards
    content

    English PDF
    GB/T 20975.12-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 12:Determination of titanium content
    铝及铝合金化学分析方法 第12部分:钛含量的测定
    China National Standards
    content

    English PDF
    GB/T 20975.11-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 11:Determination of lead content Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第11部分:铅含量的测定 火焰原子吸收光谱法
    China National Standards
    content

    English PDF
    GB/T 20975.10-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 10:Determination of tin content
    铝及铝合金化学分析方法 第10部分: 锡含量的测定
    China National Standards
    content

    English PDF
    GB/T 20432.6-2008 Photography - Photographic-grade chemicals - Test methods - Part 6: Determination of halide content
    摄影 照相级化学品 试验方法 第6部分: 卤化物含量的测定
    China National Standards
    content

    English PDF
    GB/T 17473.1-2008 Test methods of precious metals pastes used for microelectronics-Determination of solids content
    微电子技术用贵金属浆料测试方法 固体含量测定
    China National Standards
    content

    English PDF
    GB/T 15076.9-2008 Methods for chemical analysis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum
    钽铌化学分析方法 钽中铁、铬、镍、锰、钛、铝、铜、锡、铅和锆量的测定
    China National Standards
    content

    English PDF
    GB/T 15076.8-2008 Methods for chemical analysis of tantalum and niobium - Determination of carbon and sulphur contents
    钽铌化学分析方法 碳量和硫量的测定
    China National Standards
    content

    English PDF
    GB/T 15076.16-2008 Methods for chemical analysis of tantalum and niobium - Determination of sodium and potassium contents
    钽铌化学分析方法 钠量和钾量的测定
    China National Standards
    content

    English PDF
    GB/T 15076.15-2008 Methods for chemical analysis of tantalum and niobium - Determination of hydrogen content
    钽铌化学分析方法 氢量的测定
    China National Standards
    content

    English PDF
    GB/T 15076.14-2008 Methods for chemical analysis of tantalum and niobium - Determination of oxygen content
    钽铌化学分析方法 氧量的测定
    China National Standards
    content

    English PDF
    GB/T 15076.12-2008 Methods for chemical analysis of tantalum and niobium - Determination of phosphorus content in tantalum
    钽铌化学分析方法 钽中磷量的测定
    China National Standards
    content

    English PDF
    GB/T 15072.9-2008 Test method of precious metal alloys - Determination of indium content for gold alloys - Complexometric return titration using EDTA
    贵金属合金化学分析方法 金合金中铟量的测定 EDTA络合返滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.8-2008 Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA
    贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.7-2008 Test methods of precious metal alloys - Determination of chromium and iron contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 金合金中铬和铁量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.6-2008 Test method of precious metal alloys - Determination of iridium contents for platinum, palladium alloys - Electricity titration with ferrous sulfate
    贵金属合金化学分析方法 铂、钯合金中铱量的测定 硫酸亚铁电流滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.5-2008 Test method of precious metal alloys - Determination of silver content for gold and palladium alloys - Potentionmeter titration with potassium iodide
    贵金属合金化学分析方法 金、钯合金中银量的测定 碘化钾电位滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.4-2008 Test method of precious metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry
    贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
    China National Standards
    content

    English PDF
    GB/T 15072.3-2008 Test method of precious metal alloys - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate
    贵金属合金化学分析方法 金、铂、钯合金中铂量的测定 高锰酸钾电流滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.2-2008 Test method of precious metal alloys - Determination of silver contents for silver alloys - Potentionmeter titration with sodium chloride
    贵金属合金化学分析方法 银合金中银量的测定 氯化钠电位滴定法
    China National Standards
    content

    English PDF
    GB/T 15072.19-2008 Test method of precious metal alloys - Determination of vanadium and magnesium contents for silver alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 银合金中钒和镁量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.18-2008 Test method of precious metal alloys - Determination of zirconium and gadolinium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 金合金中锆和镓量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.17-2008 Test method of precious metal alloys - Determination of tungsten contents for platinum alloys - Tungstic acid gravimetry
    贵金属合金化学分析方法 铂合金中钨量的测定 三氧化钨重量法
    China National Standards
    content

    English PDF
    GB/T 15072.16-2008 Test method of precious metal alloys - Determination of copper and manganese contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 金合金中铜和锰量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.15-2008 Test method of precious metal alloys - Determination of nickel, zinc and manganese contents for gold, silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 金、银、钯合金中镍、锌和锰量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.14-2008 Test method of precious metal alloys - Determination of aluminium and nickel contents for silver alloys - Inductively coupled plasma atomic emission spectrometry
    贵金属合金化学分析方法 银合金中铝和镍量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.13-2008 Test method of precious metal alloys - Determination of tin , cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry
    贵金属合金化学分析方法 银合金中锡、铈和镧量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    content

    English PDF
    GB/T 15072.12-2008 Test method of precious metal alloys - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry
    贵金属合金化学分析方法 银合金中钒量的测定 过氧化氢分光光度法
    China National Standards
    content

    English PDF
    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
    贵金属合金化学分析方法 金、铂、钯合金中金量的测定 硫酸亚铁电位滴定法
    China National Standards
    content

    English PDF

    Find out:2514Items   |  To Page of: First -Previous-Next -Last  | [13] [14] [15] [16] [17] [18] [19]

     

    +86-755-25831330        [email protected] 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards