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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 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 photo |
 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 photo |
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 photo |
English PDF |
| GB/T 7002-2008 |
photometry for floodlight 投光照明灯具光度测试 |
China National Standards photo |
English PDF |
| GB/T 2924-2008 |
photography - Colour negative films for still photography - Determination of ISO speed 摄影 静止摄影用彩色负性胶片 ISO感光度的测定 |
China National Standards photo |
English PDF |
| GB/T 11500-2008 |
photography - Density Measurement - Part 2：Geometric conditions for transmission density 摄影 密度测量 第2部分：透视密度的几何条件 |
China National Standards photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
English PDF |
| GB/T 11501-2008 |
photography - Density Measurement - Part 3：Spectral Conditions 摄影 密度测量 第3部分：光谱条件 |
China National Standards photo |
English PDF |
| GB/T 21894-2008 |
A kind of photosensitive emulsion for plate making on fabric rotary screen printing 纺织圆网印花制版感光乳液 |
China National Standards photo |
English PDF |
| GB/T 21893-2008 |
A kind of photosensitive emulsion(double component) for plate making on fabric screen printing 纺织平网印花制版感光乳液 |
China National Standards photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
English PDF |
| GB/T 21769-2008 |
Chemical - In vitro 3T3 NRU phototoxicity test method 化学品 体外3T3中性红摄取光毒性试验方法 |
China National Standards photo |
English PDF |
| GB/T 15043-2008 |
Method of measuring electrical and photometric characteristics for incandescent lamps 白炽灯泡光电参数的测量方法 |
China National Standards photo |
English PDF |
| GB/T 10656-2008 |
Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry 锅炉用水和冷却水分析方法 锌离子的测定 锌试剂分光光度法 |
China National Standards photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
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 photo |
English PDF |
| GB/T 20432.3-2008 |
photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter in ammonium hydroxide solution 摄影 照相级化学品 试验方法 第3部分：氨水不溶物的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.12-2008 |
photography - Photographic-grade chemicals - Test methods - Part 12: Determination of density 摄影 照相级化学品 试验方法 第12部分: 密度的测定 |
China National Standards photo |
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 photo |
English PDF |
| GB/T 14571.4-2008 |
Ethylene glycol for industrial use - Determination of ultraviolet transmittance - Ultraviolet spectrophotometric method 工业用乙二醇紫外透光率的测定 紫外分光光度法 |
China National Standards photo |
English PDF |
| GB/T 14571.3-2008 |
Ethylene glycol for industrial use - Determination of content of total aldehydes present - Spectrophotometric method 工业用乙二醇中醛含量的测定 分光光度法 |
China National Standards photo |
English PDF |
| GB/T 21382-2008 |
Specification for optical requirements of photoluminescent (phosphorescent) safety marking 光致发光（磷光）安全标记光学性能要求 |
China National Standards photo |
English PDF |
| GB/T 21380-2008 |
Nighttime photometric performance and test method of retroreflective pedestrian markings 行人反光标识夜间光度性能及测试方法 |
China National Standards photo |
English PDF |
| GB/T 21187-2007 |
Atomic absorption spectrophotometer 原子吸收分光光度计 |
China National Standards photo |
English PDF |
| GB 15235-2007 |
photometric characteristics of reversing lamps for power-driven vehicles 汽车及挂车倒车灯配光性能 |
China National Standards photo |
English PDF |
| GB/T 4699.3-2007 |
Ferrochromium, silicochromium and nitrogen-bearing ferrochromium -Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method 铬铁、硅铬合金和氮化铬铁 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 photo |
English PDF |
| GB/T 14849.2-2007 |
Methods for chemical analysis of silicon metal - Part 2：Determination of aluminum content - Chrome azurol S spectrophotometric method 工业硅化学分析方法 第2部分：铝含量的测定 铬天青-S分光光度法 |
China National Standards photo |
English PDF |
| GB/T 14849.1-2007 |
Methods for chemical analysis of silicon metal - Part 1： Determination of iron content - 1,10-phenanthrolion spectrophotometric method 工业硅化学分析方法 第1部分：铁含量的测定 1，10一二氮杂菲分光光度法 |
China National Standards photo |
English PDF |
| GB/T 8654.1-2007 |
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method 金属锰、锰硅合金、锰铁和氮化锰铁 铁含量的测定 邻二氮杂菲分光光度法和三氯化钛 - 重铬酸钾滴定法 |
China National Standards photo |
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 photo |
English PDF |
| GB/T 5059.6-2007 |
Ferromolybdenum - Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc method 钼铁 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 photo |
English PDF |
| GB/T 4333.4-2007 |
Ferrosilicon - Determination of aluminium content - The chromazurol S spectrophotometric method ,the EDTA titrimetric method and the flame atomic absorption spectrometric method 硅铁 铝含量的测定 铬天青S分光光度法、EDTA滴定法和火焰原子吸收光谱法 |
China National Standards photo |
English PDF |
| GB/T 21006-2007 |
Surface chemical analysis - X-ray photoelectron and Auger electron spectrometers - Linearity of intensity scale 表面化学分析 X射线光电子能谱仪和俄歇电子能谱仪 强度标的线性 |
China National Standards photo |
English PDF |
| GB/T 20432.9-2007 |
photography - Photographic-grade chemicals - Test methods - Part 9： Reaction to ammoniacal silver nitrate 摄影 照相级化学品 试验方法 第9部分：和硝酸银氨溶液的反应 |
China National Standards photo |
English PDF |
| GB/T 20432.8-2007 |
photography - Photographic-grade chemicals - Test methods - Part 8： Determination of volatile matter 摄影 照相级化学品 试验方法 第8部分：挥发性物质的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.7-2007 |
photography - Photographic-grade chemicals - Test methods - Part 7： Determination alkalinity or acidity 摄影 照相级化学品 试验方法 第7部分：碱度或酸度的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.5-2007 |
photography Photographic-grade chemicals - Test methods Part 5： Determination of heavy metals and iron content 摄影 照相级化学品 试验方法 第5部分：重金属和铁含量的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.2-2007 |
photography - Photographic-grade chemicals - Test methods - Part 2: Determination of matter insoluble in water 摄影 照相级化学品 试验方法 第2部分:水不溶物的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.13-2007 |
photography - Photographic-grade chemicals - Test methods - Part 13: Determination of pH 摄影 照相级化学品 试验方法 第13部分：pH值的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.11-2007 |
photography - Photographic-grade chemicals - Test methods - Part 11： Determination of specific gravity 摄影 照相级化学品 试验方法 第11部分：相对密度的测定 |
China National Standards photo |
English PDF |
| GB/T 20432.10-2007 |
photography - Photographic-grade chemicals - Test methods - Part 10： Determination of sulfide content 摄影 照相级化学品 试验方法 第10部分: 硫化物的测定 |
China National Standards photo |
English PDF |
| GB/T 9086-2007 |
The white standard plate for colorimetry and photometry 用于色度和光度测量的标准白板 |
China National Standards photo |
English PDF |
| GB/T 20975.2-2007 |
Chemical analysis methods of aluminium and aluminium alloys - Part 2：Determination of arsenic content molybdenum blue spectrophotometric method 铝及铝合金化学分析方法 第2部分：砷含量的测定 钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.9-2007 |
Methods for chemical analysis of lithium - Determination of nitrogen content - Mercuric potassium iodide spectrophotometric method 锂化学分析方法 氮量的测定 碘化汞钾分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.8-2007 |
Methods for chemical analysis of lithium - Determination of chlorine content - Thiocyanate spectrophotometric method 锂化学分析方法 氯量的测定 硫氰酸盐分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.7-2007 |
Methods for chemical analysis of lithium - Determination of nickel content - α-Furil dioxime spectrophotometric method 锂化学分析方法 镍量的测定 α-联呋喃甲酰二肟萃取光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.6-2007 |
Methods for chemical analysis of lithium - Determination of aluminum content - Chromazurol S-cetylpyridine broide spectrophotometric method 锂化学分析方法 铝量的测定 铬天青S-溴化十六烷基吡啶分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.5-2007 |
Methods for chemical analysis of lithium - Determination of silicon content - Molybdenum blue spectrophotometric method 锂化学分析方法 硅量的测定 硅钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20931.4-2007 |
Methods for chemical analysis of lithium - Determination of iron content - Orthopenanthroline spectrophotometric method 锂化学分析方法 铁量的测定 邻二氮杂菲分光光度法 |
China National Standards photo |
English PDF |
| GB/T 223.40-2007 |
Iron, steel and alloy - Determination of niobium content - The sulphochlorophenol S spectrophotometric method 钢铁及合金 铌含量的测定 氯磺酚S分光光度法 |
China National Standards photo |
English PDF |
| GB 9316-2007 |
Safety requirements for electronic flash apparatus for photographic purposes 摄影用电子闪光装置安全要求 |
China National Standards photo |
English PDF |
| GB/T 3049-2006 |
Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method 工业用化工产品 铁含量测定的通用方法 1，10-菲啰啉分光光度法 |
China National Standards photo |
English PDF |
| GB/T 11213.4-2006 |
Sodium hydroxide for chemical fiber use - Determination of silicon content - Reduced molybdosilicate spectrophotometric method 化纤用氢氧化钠 硅含量的测定 还原硅钼酸盐分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6730.9-2006 |
Iron ores - Determination of silicon contents - The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6730.46-2006 |
Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after the distillation separation 铁矿石 砷含量的测定 蒸馏分离-砷钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6730.45-2006 |
Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation 铁矿石 砷含量的测定 砷化氢分离-砷钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6730.24-2006 |
Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method 铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6730.18-2006 |
Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method 铁矿石 磷含量的测定 钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 6495.9-2006 |
photovoltaic devices - Part 9: Solar simulator performance requirements 光伏器件 第9部分：太阳模拟器性能要求 |
China National Standards photo |
English PDF |
| GB/T 6495.7-2006 |
photovoltaic devices - Part 7: Computation of spectral mismatch error introduced in the testing of a photovoltaic device 光伏器件 第7部分：光伏器件测量过程中引起的光谱失配误差的计算 |
China National Standards photo |
English PDF |
| GB/T 20514-2006 |
photovoltaic systems - Power conditioners - Procedure for measuring efficiency 光伏系统功率调节器效率测量程序 |
China National Standards photo |
English PDF |
| GB/T 20513-2006 |
photovoltaic system performance monitoring - Guidelines for measurement, data exchange and analysis 光伏系统性能监测 测量、数据交换和分析导则 |
China National Standards photo |
English PDF |
| GB/T 8647.4-2006 |
The methods for chemical analysis of nickel - Determination of phosphorous content - Molybdenum blue spectrophotometric method 镍化学分析方法 磷量的测定 钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 8647.3-2006 |
The methods for chemical analysis of nickel - Determination of silicon content - Molybdenum blue spectrophotometric method 镍化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards photo |
English PDF |
| GB/T 8647.1-2006 |
The methods for chemical analysis of nickel - Determination of iron content - Sulfosalicylic acid spectrophotometric method 镍化学分析方法 铁量的测定 磺基水杨酸分光光度法 |
China National Standards photo |
English PDF |
| GB/T 20506-2006 |
Anodizing of aluminium and its alloys - Measurement of reflectivity characteristics of aluminium surfaces using abridged goniophotometer or goniophotometer 铝及铝合金阳极氧化 阳极氧化膜表面反射特性的测定 遮光角度仪或角度仪法 |
China National Standards photo |
English PDF |
| GB/T 1516-2006 |
Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method 锰矿石 砷含量的测定 二乙氨基二硫代甲酸银分光光度法 |
China National Standards photo |
English PDF |
| GB/T 9721-2006 |
Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible) 化学试剂 分子吸收分光光度法通则(紫外和可见光部分) |
China National Standards photo |
English PDF |
| GB/T 6912.1-2006 |
Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates 锅炉用水和冷却水分析方法 硝酸盐和亚硝酸盐的测定 第1部分：硝酸盐紫外光度法 |
China National Standards photo |
English PDF |
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