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. |
Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 3459-2022 |
tungsten bar 钨条 |
China National Standards tungsten |
English PDF |
GB/T 14352.24-2022 |
Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法 第24部分:锗含量的测定 电感耦合等离子体质谱法 |
China National Standards tungsten |
English PDF |
GB/T 36917.4-2022 |
Dentistry - Laboratory cutting tools - Part 4: Microtungsten carbide cutting tools for laboratory use 牙科学 技工室用刃具 第4部分:技工室用微型硬质合金刃具 |
China National Standards tungsten |
English PDF |
GB/T 13747.10-2022 |
Methods for chemical analysis of zirconium and zirconium alloys - Part 10: Determination of tungsten content - Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第10部分:钨含量的测定 硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 6150.17-2022 |
Methods for chemical analysis of tungsten concentrates - Part 17: Determination of antimony content - Atomic fluorescence spectrometry 钨精矿化学分析方法 第17部分:锑含量的测定 原子荧光光谱法 |
China National Standards tungsten |
English PDF |
GB/T 6150.13-2022 |
Methods for chemical analysis of tungsten concentrates - Part 13: Determination of arsenic content - Atomic fluorescence spectrometry and DDTC-Ag spectrophotometry 钨精矿化学分析方法 第13部分:砷含量的测定 原子荧光光谱法和DDTC-Ag分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 6150.2-2022 |
Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 钨精矿化学分析方法 第2部分:锡含量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 26055-2022 |
Regenerated tungsten carbide powder 再生碳化钨粉 |
China National Standards tungsten |
English PDF |
GB/T 41338-2022 |
tungsten and Tungsten Alloy Powder for Additive Manufacturing 增材制造用钨及钨合金粉 |
China National Standards tungsten |
English PDF |
GB/T 4184-2021 |
tungsten-rhenium alloy wires 钨铼合金丝 |
China National Standards tungsten |
English PDF |
GB/T 7731.5-2021 |
Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method 钨铁 硅含量的测定 硅钼蓝分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 7731.4-2021 |
Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method 钨铁 磷含量的测定 磷钼蓝分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 7731.1-2021 |
Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method 钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法 |
China National Standards tungsten |
English PDF |
GB/T 7731.10-2021 |
Ferrotungsten—Determination of carbon content—Infrared absorption method 钨铁 碳含量的测定 红外线吸收法 |
China National Standards tungsten |
English PDF |
GB/T 40067-2021 |
Microstructure and defect determination of tungsten carbide powder 碳化钨粉末微观组织及缺陷检测方法 |
China National Standards tungsten |
English PDF |
GB/T 14352.22-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22:Determination of antimony content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第22部分:锑量的测定 氢化物发生-原子荧光光谱法 |
China National Standards tungsten |
English PDF |
GB/T 14352.21-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第21部分:砷量的测定 氢化物发生-原子荧光光谱法 |
China National Standards tungsten |
English PDF |
GB/T 14352.20-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20:Determination of niobium,tantalum,zirconium,hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法 第20部分:铌、钽、锆、铪及15个稀土元素量的测定 电感耦合等离子体质谱法 |
China National Standards tungsten |
English PDF |
GB/T 14352.19-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe 钨矿石、钼矿石化学分析方法 第19部分:铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 39280-2020 |
Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels 钨极惰性气体保护电弧焊用非合金钢及细晶粒钢实心焊丝 |
China National Standards tungsten |
English PDF |
GB/T 20975.35-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method 铝及铝合金化学分析方法 第35部分:钨含量的测定 硫氰酸盐分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 38513-2020 |
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium,titanium,zirconium,tungsten,tantalum contents—Inductively coupled plasma atomic emission spectrometry 铌铪合金化学分析方法 铪、钛、锆、钨、钽等元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 26726-2019 |
Ultrafine tungsten powder 超细钨粉 |
China National Standards tungsten |
English PDF |
GB/T 4295-2019 |
tungsten carbide powder 碳化钨粉 |
China National Standards tungsten |
English PDF |
GB/T 4187-2017 |
tungsten bars and rods 钨条和钨杆 |
China National Standards tungsten |
English PDF |
GB/T 4194-2017 |
Creep testing, high temperature treatment and metallographic examination of the tungsten wire 钨丝蠕变试验、高温处理及金相检查方法 |
China National Standards tungsten |
English PDF |
GB/T 4181-2017 |
tungsten wires 钨丝 |
China National Standards tungsten |
English PDF |
GB/T 4185-2017 |
Molybdenum-tungsten alloy bars and rods 钼钨合金条及杆 |
China National Standards tungsten |
English PDF |
GB/T 3875-2017 |
tungsten sheet 钨板 |
China National Standards tungsten |
English PDF |
GB/T 34503-2017 |
tungsten tubes 钨管 |
China National Standards tungsten |
English PDF |
GB/T 8320-2017 |
Copper-tungsten and silver-tungsten electrical contacts 铜钨及银钨电触头 |
China National Standards tungsten |
English PDF |
GB/T 1819.9-2017 |
Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectrophotometric method 锡精矿化学分析方法 第9部分:三氧化钨量的测定 硫氰酸盐分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 34498-2017 |
tungsten cathode materials for laser lamps 激光灯用钨阴极材料 |
China National Standards tungsten |
English PDF |
GB/T 15076.5-2017 |
Methods for chemical analysis of tantalum and niobium—Part5:Determination of molybdenum and tungsten contents—Inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第5部分:钼量和钨量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 2967-2017 |
Cast tungsten carbide powder 铸造碳化钨粉 |
China National Standards tungsten |
English PDF |
GB/T 8320-2003 |
Copper-tungsten and silver-tungsten electrical contacts 铜钨及银钨电触头 |
China National Standards tungsten |
English PDF |
GB/T 7731.9-2008 |
Ferrotungsten - Determination of bismuth content - The bismuth iodide photometric method and inductively coupled plasma - atomic emission spectrometry 钨铁 铋含量的测定 碘化铋光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.8-2008 |
Ferrotungsten - Determination of antimony content - The tetraethylrhodamine photometrie method and inductively coupled plasma-atomic emission spectrometry 钨铁 锑含量的测定 罗丹明B光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.7-2008 |
Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry 钨铁 锡含量的测定 苯基荧光酮光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.6-2008 |
Ferrotungsten - Determination of arsenic content - The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry 钨铁 砷含量的测定 钼蓝光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.5-1987 |
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content 钨铁化学分析方法 钼蓝光度法测定硅量 |
China National Standards tungsten |
English PDF |
GB/T 7731.4-1987 |
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content 钨铁化学分析方法 钼蓝光度法测定磷量 |
China National Standards tungsten |
English PDF |
GB/T 7731.3-2008 |
Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method 钨铁 铜含量的测定 双环己酮草酰二腙光度法和火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.2-2007 |
Ferrotungsten - Determination of manganese content - The periodate spectrophotometric method and the flame atomic absorption spectrometric method 钨铁 锰含量的测定 高碘酸盐分光光度法和火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.14-2008 |
Ferrotungsten - Determination of lead content - The polarographic method and inductively coupled plasma-atomic emission spectrometry 钨铁 铅含量的测定 极谱法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 7731.12-2008 |
Ferrotungsten - Determination of sulfur content - Infrared absorption method and combustion titration method 钨铁 硫含量的测定 红外线吸收法和燃烧中和滴定法 |
China National Standards tungsten |
English PDF |
GB/T 7731.1-1987 |
Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content 钨铁化学分析方法 辛可宁重量法测定钨量 |
China National Standards tungsten |
English PDF |
GB/T 7731.10-1988 |
Methods for chemical analysis of ferrotungsten--The infrared absorption method for the determination of carbon content 钨铁化学分析方法 红外线吸收法测定碳量 |
China National Standards tungsten |
English PDF |
GB/T 6150.9-2009 |
Methods for chemical analysis of tungsten concentrates - Determination of copper content - Flame atomic absorption spectrometry 钨精矿化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 6150.8-2009 |
Methods for chemical analysis of tungsten concentrates - Determination of molybdenum content - The thiocyanate spectrophotometry 钨精矿化学分析方法 钼量的测定 硫氰酸盐分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 6150.7-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry 钨精矿化学分析方法 钽铌量的测定 等离子体发射光谱法和分光光度法 |
China National Standards tungsten |
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 tungsten |
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 tungsten |
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 tungsten |
English PDF |
GB/T 6150.3-2009 |
Methods for chemical analysis of tungsten concentrates - Determination of phosphorus content - The phosphorus molybdenum yellow spectrophotometry 钨精矿化学分析方法 磷量的测定 磷钼黄分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 6150.2-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of tin content - The potassium iodate volumetry and hydrogenate atomic absorption spectrometry 钨精矿化学分析方法 锡量的测定 碘酸钾容量法和氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 6150.17-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of antimony content - Hydride reduction atomic absorption spectrometry 钨精矿化学分析方法 锑量的测定 氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 6150.16-2009 |
Methods for chemical analysis of tungsten concentrates - Determination of iron content - The sulfosalicylic acid spectrophotometry 钨精矿化学分析方法 铁量的测定 磺基水杨酸分光光度法 |
China National Standards tungsten |
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 tungsten |
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 tungsten |
English PDF |
GB/T 6150.13-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of arsenic content - Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry 钨精矿化学分析方法 砷量的测定 氢化物原子吸收光谱法和DDTC-Ag分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 6150.12-2008 |
Methods for chemical analysis of tungsten concentrates-Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometry and the gravimetry 钨精矿化学分析方法 二氧化硅量的测定 硅钼蓝分光光度法和重量法 |
China National Standards tungsten |
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 tungsten |
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 tungsten |
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 tungsten |
English PDF |
GB/T 4414-2013 |
Methods of sampling and sample preparation of tungsten concentrates in bags 包装钨精矿取样、制样方法 |
China National Standards tungsten |
English PDF |
GB/T 4325.26-2013 |
Methods for chemical analysis of molybdenum - Part 26: Determination of aluminium,magnesium,calcium,vanadium,chromium,manganese,iron,cobalt,nickel,copper,zinc,arsenic,cadmium ,tin,antimony,tungsten,lead and bismuth contents 钼化学分析方法 第26部分:铝、镁、钙、钒、铬、锰、铁、钴、镍、铜、锌、砷、镉、锡、锑、钨、铅和铋量的测定 电感耦合等离子体质谱法 |
China National Standards tungsten |
English PDF |
GB/T 4325.24-2013 |
Methods for chemical analysis of molybdenum - Part 24: Determination of tungsten content - Inductively coupled plasma atomic emission spectrometry 钼化学分析方法 第24部分:钨量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.9-2012 |
Methods for chemical analysis of tungsten - Part 9: Determination of cadmium content - Inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry 钨化学分析方法 第9部分:镉量的测定 电感耦合等离子体原子发射光谱法和火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.8-2008 |
Methods for chemical analysis of tungsten - Determination of nickel content - The inductively coupled plasma atomic emission spectrometry 、 flame atomic absorption spectrometry and dimethylglyoxime gravimetry 钨化学分析方法 镍量的测定 电感耦合等离子体原子发射光谱法、火焰原子吸收光谱法和丁二酮肟重量法 |
China National Standards tungsten |
English PDF |
GB/T 4324.7-2012 |
Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第7部分:钴量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.6-2012 |
Methods for chemical analysis of tungsten - Part 6: Determination of iron content-1,10-phenanthroline spectrophotometry 钨化学分析方法 第6部分:铁量的测定 邻二氮杂菲分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.5-2012 |
Methods for chemical analysis of tungsten - Part 5: Determination of arsenic content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第5部分:砷量的测定 氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.4-2012 |
Methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第4部分:锑量的测定 氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.3-2012 |
Methods for chemical analysis of tungsten - Part 3: Determination of tin content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第3部分:锡量的测定 氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.28-2012 |
Methods for chemical analysis of tungsten - Part 28: Determination of molybdenum content - The thioyanate spectrophotometry 钨化学分析方法 第28部分:钼量的测定 硫氰酸盐分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.27-2012 |
Methods for chemical analysis of tungsten - Part 27::Determination of carbon content - High frequency combustion-infrared absorption method 钨化学分析方法 第27部分:碳量的测定 高频燃烧红外吸收法 |
China National Standards tungsten |
English PDF |
GB/T 4324.26-2012 |
Methods for chemical analysis of tungsten - Part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry 钨化学分析方法 第26部分:氮量的测定 脉冲加热惰气熔融-热导法和奈氏试剂分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.25-2012 |
Methods for chemical analysis of tungsten - Part 25: Determination of oxygen content - Pulse heating inert gas fusion-infrared absorption method 钨化学分析方法 第25部分:氧量的测定 脉冲加热惰气熔融-红外吸收法 |
China National Standards tungsten |
English PDF |
GB/T 4324.24-2012 |
Methods for chemical analysis of tungsten - Part 24: Determination of phosphorus content - Molybdemum blue photometry 钨化学分析方法 第24部分:磷量的测定 钼蓝分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.23-2012 |
Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method 钨化学分析方法 第23部分:硫量的测定 燃烧电导法和高频燃烧红外吸收法 |
China National Standards tungsten |
English PDF |
GB/T 4324.22-2012 |
Methods for chemical analysis of tungsten - Part 22: Determination of manganese content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第22部分:锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.2-2012 |
Methods for chemical analysis of tungsten - Part 2: Determination of bismuth content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第2部分:铋量的测定 氢化物原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.21-2012 |
Methods for chemical analysis of tungsten - Part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第21部分:铬量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.20-2012 |
Methods for chemical analysis of tungsten - Part 20: Determination of vanadium content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第20部分:钒量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.19-2012 |
Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry 钨化学分析方法 第19部分:钛量的测定 二安替比林甲烷分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.18-2012 |
Methods for chemical analysis of tungsten - Part 18: Determination of potassium content - Flame atomic absorption spectrometry 钨化学分析方法 第18部分:钾量的测定 火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.17-2012 |
Methods for chemical analysis of tungsten - Part 17: Determination of sodium content - Flame atomic absorption spectrometry 钨化学分析方法 第17部分:钠量的测定 火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.16-2012 |
Methods for chemical analysis of tungsten - Part 16: Determination of loss content on ignition - Gravimetric method 钨化学分析方法 第16部分:灼烧损失量的测定 重量法 |
China National Standards tungsten |
English PDF |
GB/T 4324.15-2008 |
Methods for chemical analysis of tungsten - Determination of magnesium content - The flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry 钨化学分析方法 镁量的测定 火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.14-2012 |
Methods for chemical analysis of tungsten - Part 14: Determination of residue content after chloride volatility - Gravimetric method 钨化学分析方法 第14部分:氯化挥发后残渣量的测定 重量法 |
China National Standards tungsten |
English PDF |
GB/T 4324.13-2008 |
Methods for chemical analysis of tungsten - Determination of calcium content - The inductively coupled plasma atomic emission spectrometry 钨化学分析方法 钙量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.12-2012 |
Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry 钨化学分析方法 第12部分:硅量的测定 氯化-钼蓝分光光度法 |
China National Standards tungsten |
English PDF |
GB/T 4324.1-2012 |
Methods for chemical analysis of tungsten - Part 1: Determination of lead content - Flame atomic absorption spectrometry 钨化学分析方法 第1部分:铅量的测定 火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.11-2012 |
Methods for chemical analysis of tungsten - Part 11: Determination of aluminum content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第11部分:铝量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4324.10-2012 |
Methods for chemical analysis of tungsten - Part 10: Determination of copper content - Flame atomic absorption spectrometry 钨化学分析方法 第10部分:铜量的测定 火焰原子吸收光谱法 |
China National Standards tungsten |
English PDF |
GB/T 4295-2008 |
tungsten carbide powder 碳化钨粉 |
China National Standards tungsten |
English PDF |
GB/T 4197-1984 |
Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys 钨钼及其合金的烧结坯条、棒材晶粒度测试方法 |
China National Standards tungsten |
English PDF |
GB/T 4196-1984 |
Method for testing the density of tungsten and molybdenum bars 钨、钼条密度测定方法 |
China National Standards tungsten |
English PDF |
GB/T 4195-1984 |
Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles 钨、钼粉末粒度分布测试方法(沉降天平法) |
China National Standards tungsten |
English PDF |
Find out:177Items | To Page of: First -Previous-Next -Last | 1 2 |