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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 2441.4-2010 |
Determination of urea - Part 4: Iron content 1,10 - Phenanthroline spectrophotometric method 尿素的测定方法 第4部分：铁含量 邻菲啰啉分光光度法 |
China National Standards photom |
 English PDF |
| GB/T 2441.2-2010 |
Determination of urea - Part 2: Biuret content - Spectrophotometric method 尿素的测定方法 第2部分：缩二脲含量 分光光度法 |
China National Standards photom |
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 photom |
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 photom |
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 photom |
English PDF |
| GB/T 24583.5-2009 |
Vanadium-Nitrogen alloy - Determination of phosphorus content - The bismuth molybdenum blue spectrophotometry method 钒氮合金 磷含量的测定 铋磷钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 223.84-2009 |
Steel and iron - Determination of titanium content - Diantipyrylmethane spectrophotometric method 钢铁及合金 钛含量的测定 二安替比林甲烷分光光度法 |
China National Standards photom |
English PDF |
| GB/T 16484.4-2009 |
Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 4: Determination of thorium oxide content - ArsenazoⅢ spectrophotometry 氯化稀土、碳酸轻稀土化学分析方法 第4部分：氧化钍量的测定 偶氮胂Ⅲ分光光度法 |
China National Standards photom |
English PDF |
| GB/T 16484.21-2009 |
Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 21: Determination of iron oxide content - 1,10-phenanthroline spectrophotometry 氯化稀土、碳酸轻稀土化学分析方法 第21部分：氧化铁量的测定 1，10-二氮杂菲分光光度法 |
China National Standards photom |
English PDF |
| GB/T 16484.14-2009 |
Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 14: Determination of phosphorus radical content - Phosphorus-antimonate-molybdenum blue spectrophotometry 氯化稀土、碳酸轻稀土化学分析方法 第14部分：磷酸根量的测定 锑磷钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 8704.9-2009 |
Ferrovanadium - Determination of manganese content - The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method 钒铁 锰含量的测定 高碘酸钾光度法和火焰原子吸收光谱法 |
China National Standards photom |
English PDF |
| GB/T 8704.8-2009 |
Ferrovanadium - Determination of aluminium content - The chromazurol S spectrophotometric method and EDTA titrimetric method 钒铁 铝含量的测定 铬天青S分光光度法和EDTA滴定法 |
China National Standards photom |
English PDF |
| GB/T 8704.7-2009 |
Ferrovanadium - Determination of phosphorus content - The molybdenum blue photometric method 钒铁 磷含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 24227-2009 |
Chromium ores and concentrates - Determination of silicon content - Spectrophotometric method and gravimetric method 铬矿石和铬精矿 硅含量的测定 分光光度法和重量法 |
China National Standards photom |
English PDF |
| GB/T 24223-2009 |
Chromium ores - Determination of phosphorus content - Reduced molybdophosphate photometric method 铬矿石 磷含量的测定 还原磷钼酸盐分光光度法 |
China National Standards photom |
English PDF |
| GB/T 8039-2009 |
Benzol products of coal carbonization-determination of total sulphur content-reduction and spectrophotometric method 焦化苯类产品全硫含量的还原分光光度测定方法 |
China National Standards photom |
English PDF |
| GB/T 4701.7-2009 |
Ferrotitanium - Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method 钛铁 磷含量的测定 铋磷钼蓝分光光度法和钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 4701.3-2009 |
Ferrotitanium - Determination of copper content - The DDTC photometric method and the flame atomic absorption spectrometric method 钛铁 铜含量的测定 铜试剂光度法和火焰原子吸收光谱法 |
China National Standards photom |
English PDF |
| GB/T 23947.1-2009 |
Inorganic chemicals for industrial use - General method for determination of arsenic - Part 1: Silver diethyldithiocarbamate photometric method 无机化工产品中砷测定的通用方法 第1部分：二乙基二硫代氨基甲酸银光度法 |
China National Standards photom |
English PDF |
| GB/T 23944-2009 |
Inorganic chemicals for products use - General method for the determination of aluminium - Chromazurol S-spectrophotometric method 无机化工产品中铝测定的通用方法 铬天青S分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23943-2009 |
Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method 无机化工产品中六价铬含量测定的通用方法 二苯碳酰二肼分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23890-2009 |
Rapid determination of erucic acid and glucosinolate in rapeseed - photometry 油菜籽中芥酸及硫苷的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23874-2009 |
Determination of xylanase activity in feed additives - Spectrophotometric method 饲料添加剂木聚糖酶活力的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 18634-2009 |
Determination of feed phytase activity - Spectrophotometric method 饲用植酸酶活性的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 17777-2009 |
Determination of molybdenum in feeds - Spectrophotometry 饲料中钼的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23870-2009 |
Determination of Pb in propolis - Microwave digestion - Graphite furnace atomic absorption spectrophotometry 蜂胶中铅的测定 微波消解-石墨炉原子吸收分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23842-2009 |
General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method 无机化工产品中硅含量测定通用方法 还原硅钼酸盐分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23834.6-2009 |
Chemical analysis method for stannous sulfate - Part 6: Determination of iron content - 1,10-phenanthroline spectrophotometry 硫酸亚锡化学分析方法 第6部分：铁含量的测定 邻菲啰啉分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23834.5-2009 |
Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry 硫酸亚锡化学分析方法 第5部分：砷含量的测定 二乙基二硫代氨基甲酸银分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23749-2009 |
Determination of sodium copper chlorophyllin in foods－Spectrophotometric method 食品中叶绿素铜钠的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 11066.10-2009 |
Methods for chemical analysis of gold - Determination of silicon content - Molybdenum blue spectrophotometry 金化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 4103.15-2009 |
Methods for chemical analysis of lead and lead alloys - Part 15: Determination of nickel content - Flame atomic absorption spectrophotometry 铅及铅合金化学分析方法 第15部分：镍量的测定 火焰原子吸收光谱法 |
China National Standards photom |
English PDF |
| GB/T 4103.14-2009 |
Methods for chemical analysis of lead and lead alloys - Part 14: Determination of cadmium content - Flame atomic absorption spectrophotometry 铅及铅合金化学分析方法 第14部分：镉量的测定 火焰原子吸收光谱法 |
China National Standards photom |
English PDF |
| GB/T 23296.26-2009 |
Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry 食品接触材料 高分子材料 食品模拟物中甲醛和六亚甲基四胺的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23364.5-2009 |
Methods for chemical analysis of high purity indium oxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry 高纯氧化铟化学分析方法 第5部分：氯量的测定 硫氰酸汞分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23364.2-2009 |
Methods for chemical analysis of high purity indium oxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry 高纯氧化铟化学分析方法 第2部分：锡量的测定 苯基荧光酮分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23362.5-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 5: Determination of chlorine content - Mercuric sulfocyanide spectrophotometry 高纯氢氧化铟化学分析方法 第5部分：氯量的测定 硫氰酸汞分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23362.2-2009 |
Methods for chemical analysis of high purity indium hydroxide - Part 2: Determination of tin content - Phenylfluorone spectrophotometry 高纯氢氧化铟化学分析方法 第2部分：锡量的测定 苯基荧光酮分光光度法 |
China National Standards photom |
English PDF |
| GB 23255-2009 |
photometric characteristics of daytime running lamps for motor vehicles 汽车昼间行驶灯配光性能 |
China National Standards photom |
English PDF |
| GB/T 23278.5-2009 |
Methods for chemical analysis of sodium stannate - Part 5: Determination of antimony content - Malachite green photometric method 锡酸钠化学分析方法 第5部分：锑量的测定 孔雀绿分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23278.3-2009 |
Methods for chemical analysis of sodium stannate - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method 锡酸钠化学分析方法 第3部分：砷量的测定 砷锑钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23278.2-2009 |
Methods for chemical analysis of sodium stannate - Part 2: Determination of iron content - 1，10-phenanthroline photometric method 锡酸钠化学分析方法 第2部分：铁量的测定 1，10-二氮杂菲分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23277-2009 |
Chemical analysis methods of catalysts containing precious metals - Determination of platinum, palladium and rhodium in automobile exhaust-purifying catalysts - Spectrophotometry 贵金属催化剂化学分析方法 汽车尾气净化催化剂中铂、钯、铑量的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23274.5-2009 |
Methods for chemical analysis of stannic oxide - Part 5: Determination of antimony content - Malachite green photometric method 二氧化锡化学分析方法 第5部分：锑量的测定 孔雀绿分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23274.3-2009 |
Methods for chemical analysis of stannic oxide - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method 二氧化锡化学分析方法 第3部分：砷量的测定 砷锑钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23274.2-2009 |
Methods for chemical analysis of stannic oxide - Part 2: Determination of iron content - 1，10-phenanthroline photometric method 二氧化锡化学分析方法 第2部分：铁量的测定 1，10-二氮杂菲分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23273.4-2009 |
Methods for chemical analysis of cobalt oxalate - Part 4: Determination of silicon content - Molybdenum blue spectrophotometry 草酸钴化学分析方法 第4部分：硅量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB 5920-2008 |
photometric characteristics of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and their trailers 汽车及挂车前位灯、后位灯、示廓灯和制动灯配光性能 |
China National Standards photom |
English PDF |
| GB 17509-2008 |
photometric characteristics of direction indicators for motor vehicles and their trailers 汽车及挂车转向信号灯配光性能 |
China National Standards photom |
English PDF |
| GB 11554-2008 |
photometric characteristics of rear fog lamp for power-driven vehicles and their trailers 机动车和挂车用后雾灯配光性能 |
China National Standards photom |
English PDF |
| GB/T 23195-2008 |
Method for the determination of catalase in bee pollen - Ultaraviolet spectrophotometry 蜂花粉中过氧化氢酶的测定方法 紫外分光光度法 |
China National Standards photom |
English PDF |
| GB/T 23110-2008 |
photometry for floodlights 投光灯具光度测试 |
China National Standards photom |
English PDF |
| GB/T 22907-2008 |
The photometry and goniophotometry of luminaires 灯具的光度测试和分布光度学 |
China National Standards photom |
English PDF |
| GB/T 22661.10-2008 |
Chemical analysis methods of potassium fluoborade - Part 10: Determination of phosphorus pentoxide content - Molybdenum blue photometric method 氟硼酸钾化学分析方法 第10部分：五氧化二磷含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22660.7-2008 |
Chemical analysis methods of lithium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method 氟化锂化学分析方法 第7部分：三氧化二铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22660.6-2008 |
Chemical analysis methods of lithium fluoride - Part 6: Determination of silica content - Molybdenum blue photometric method 氟化锂化学分析方法 第6部分： 二氧化硅含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22662.9-2008 |
Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method 氟钛酸钾化学分析方法 第9部分：五氧化二磷含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22662.4-2008 |
Chemical analysis methods of potassium fluotitanate - Part 4: Determination of silica content - By molybdenum blue photometric method 氟钛酸钾化学分析方法 第4部分：硅含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22661.6-2008 |
Chemical analysis methods of potassium fluoborade - Part 6: Determination of silica content - Molybdenum blue photometric method 氟硼酸钾化学分析方法 第6部分：硅含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB 17510-2008 |
photometric characteristics of light-signalling devices for motorcycles 摩托车光信号装置配光性能 |
China National Standards photom |
English PDF |
| GB/T 14609-2008 |
Inspection of grain and oils - Determination of copper, iron, manganese, zinc, calcium, magnesium in cereals and derived products by atomic absorption and flame spectrophotometry 粮油检验 谷物及其制品中铜、铁、锰、锌、钙、镁的测定 火焰原子吸收光谱法 |
China National Standards photom |
English PDF |
| GB/T 7602.1-2008 |
Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 1: Spectrophotometric method 变压器油、汽轮机油中T501抗氧化剂含量测定法 第1部分：分光光度法 |
China National Standards photom |
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 photom |
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 photom |
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 photom |
English PDF |
| GB/T 223.59-2008 |
Iron,steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method 钢铁及合金 磷含量的测定 铋磷钼蓝分光光度法和锑磷钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 223.5-2008 |
Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method 钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法 |
China National Standards photom |
English PDF |
| GB/T 19267.8-2008 |
Physical and chemical examination of trace evidence in forensic sciences - Part 8:Microspectrophotometry 刑事技术微量物证的理化检验 第8部分：显微分光光度法 |
China National Standards photom |
English PDF |
| GB/T 22269-2008 |
Turmeric - Determination of coloring power - Spectrophotometric method 姜黄 着色力测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 12564-2008 |
Generic specification for photomultiplier tubes 光电倍增管总规范 |
China National Standards photom |
English PDF |
| GB/T 10267.3-2008 |
Method for analysis of calcium metal - Part 3: Direct determination of iron，nickel，copper，manganese and magnesium in calcium metal by atomic absorptiom spectrophotometry 金属钙分析方法 第3部分：原子吸收分光光度法直接测定铁、镍、铜、锰、镁 |
China National Standards photom |
English PDF |
| GB/T 11839-2008 |
Determination of boron in uranium dioxide pellets by curcumin extraction spectrophotometric method 二氧化铀芯块中硼的测定 姜黄素萃取光度法 |
China National Standards photom |
English PDF |
| GB/T 7717.11-2008 |
Acrylonitrile for industrial use - Part 11: Determination of content of iron and copper - Spectrophotometric method 工业用丙烯腈 第11部分: 铁、铜含量的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 7717.10-2008 |
Acrylonitrile for industrial use - Part 10: Determination of content of peroxides - Spectrophotometric method 工业用丙烯腈 第10部分: 过氧化物含量的测定 分光光度法 |
China National Standards photom |
English PDF |
| GB/T 9468-2008 |
General requirements for the photometry and goniophotometry of luminaries 灯具分布光度测量的一般要求 |
China National Standards photom |
English PDF |
| GB/T 7002-2008 |
photometry for floodlight 投光照明灯具光度测试 |
China National Standards photom |
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 photom |
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 photom |
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 photom |
English PDF |
| GB/T 21994.7-2008 |
Chemical analysis of magnesium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method 氟化镁化学分析方法 第7部分：三氧化二铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards photom |
English PDF |
| GB/T 21994.6-2008 |
Chemical analysis of magnesium fluoride - Part 6: Determination of silica content - Molybdenum blue photometric method 氟化镁化学分析方法 第6部分：二氧化硅含量的测定 钼蓝分光光度法 |
China National Standards photom |
English PDF |
| GB/T 8295-2008 |
Natural Rubber and latex - Determination of copper content - photometric method 天然橡胶和胶乳 铜含量的测定 光度法 |
China National Standards photom |
English PDF |
| GB/T 13248-2008 |
Rubber and rubber latices - Determination of manganese content - Sodium periodate photometric methodes 橡胶和胶乳 锰含量的测定 高碘酸钠光度法 |
China National Standards photom |
English PDF |
| GB/T 2468-2008 |
Pyrites and concentrate - Determination of zinc content - Flame atomic absorption spectrometric and spectrphotometric methods 硫铁矿和硫精矿中锌含量的测定 火焰原子吸收光谱法和分光光度法 |
China National Standards photom |
English PDF |
| GB/T 2466-2008 |
Pyrites and concentrate - Determination of copper content - Flame atomic absorption spectrometric and spectrophotometric methods 硫铁矿和硫精矿中铜含量的测定 火焰原子吸收光谱法和分光光度法 |
China National Standards photom |
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 photom |
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 photom |
English PDF |
| GB/T 5686.4-2008 |
Ferromanganese , ferromanganese-silicon , itrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content titrimetric method 锰铁、锰硅合金、氮化锰铁和金属锰 磷含量的测定 钼蓝光度法和碱量滴定法 |
China National Standards photom |
English PDF |
| GB/T 5686.2-2008 |
Ferromanganese，ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method ，silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimet 锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝光度法、氟硅酸钾滴定法和高氯酸重量法 |
China National Standards photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
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 photom |
English PDF |
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