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Standard Code	Standard Title	Standard Class	Order
GB/T 6730.89-2024	Iron ore-Determination of thorium content-Arsenazo III spectrophotometry 铁矿石-钍含量的测定-偶氮胂Ⅲ分光光度法	China National Standards photom	English PDF
GB/T 4701.12-2024	Ferrotitanium - Determination of titanium content - Diantipyryl methane spectrophotometry 钛铁-钛含量的测定-二安替吡啉甲烷分光光度法	China National Standards photom	English PDF
GB/T 6730.73-2024	Iron Ore-Determination of Total Iron Content-ED TA photometric titration 铁矿石-全铁含量的测定-EDTA光度滴定法	China National Standards photom	English PDF
GB/T 3654.8-2023	Ferroniobium Determination of titanium content Chromotropic acid photometry and diantipyrine methane photometry 铌铁钛含量的测定变色酸光度法和二安替比林甲烷光度法	China National Standards photom	English PDF
GB/T 42513.4-2023	Methods for chemical analysis of nickel alloys Part 4: Determination of silicon content Nitrous oxide-flame atomic absorption spectrometry and molybdenum blue spectrophotometry 镍合金化学分析方法第4部分：硅含量的测定一氧化二氮-火焰原子吸收光谱法和钼蓝分光光度法	China National Standards photom	English PDF
GB/T 42513.2-2023	Methods for chemical analysis of nickel alloys Part 2: Determination of phosphorus content Molybdenum blue spectrophotometry 镍合金化学分析方法第2部分：磷含量的测定钼蓝分光光度法	China National Standards photom	English PDF
GB/T 6150.3-2023	Methods for chemical analysis of tungsten concentrates Part 3: Determination of phosphorus content Phosphomolybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry 钨精矿化学分析方法第3部分：磷含量的测定磷钼黄分光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 4333.2-2023	Ferrosilicon Determination of phosphorus content Bismuth phosphorus molybdenum blue spectrophotometry 硅铁磷含量的测定铋磷钼蓝分光光度法	China National Standards photom	English PDF
GB/T 43108-2023	Dyes - Determination of solubility in organic solvents - Gravimetric and photometric methods 染料在有机溶剂中溶解度的测定重量法和光度法	China National Standards photom	English PDF
GB/T 23944-2023	General method for determination of aluminum in inorganic chemical products Chromium Azur S spectrophotometry 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 6150.12-2023	Methods for chemical analysis of tungsten concentrates Part 12: Determination of silica content Silicon-molybdenum blue spectrophotometry and gravimetric method 钨精矿化学分析方法第12部分：二氧化硅含量的测定硅钼蓝分光光度法和重量法	China National Standards photom	English PDF
GB/T 6150.8-2023	Methods for chemical analysis of tungsten concentrates Part 8: Determination of molybdenum content Thiocyanate spectrophotometry 钨精矿化学分析方法第8部分：钼含量的测定硫氰酸盐分光光度法	China National Standards photom	English PDF
GB/T 26416.9-2023	Methods for chemical analysis of rare earth iron alloys - Part 9: Determination of phosphorus content - Bismuth phosphomolybdenum blue spectrophotometric method 稀土铁合金化学分析方法第9部分：磷量的测定铋磷钼蓝分光光度法	China National Standards photom	English PDF
GB/T 26416.8-2023	Methods for chemical analysis of rare earth iron alloys - Part 8: Determination of silicon content - photometric method 稀土铁合金化学分析方法第8部分：硅量的测定光度法	China National Standards photom	English PDF
GB/T 223.63-2022	Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method 钢铁及合金锰含量的测定高碘酸钠（钾）分光光度法	China National Standards photom	English PDF
GB/T 14571.4-2022	Test methods for ethylene glycol for industrial use Part 4: Determination of ultraviolet transmittance ultraviolet spectrophotometric method 工业用乙二醇试验方法第4部分：紫外透光率的测定紫外分光光度法	China National Standards photom	English PDF
GB/T 41456-2022	Detection method of nano titanium dioxide dust concentration in nanotechnology production environment Spectrophotometry 纳米技术生产环境纳米二氧化钛粉尘浓度检测方法分光光度法	China National Standards photom	English PDF
GB/T 41322-2022	Cemented carbides - Determination of silicon content in cobalt powder - Spectrophotometric method 硬质合金钴粉中硅量的测定分光光度法	China National Standards photom	English PDF
GB/T 13747.18-2022	Methods for chemical analysis of zirconium and zirconium alloys - Part 18: Determination of vanadium content - Benzoylphenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第18部分：钒含量的测定苯甲酰苯基羟胺分光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 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 photom	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 photom	English PDF
GB/T 5686.4-2022	Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of phosphorus content Molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry 锰铁、锰硅合金、氮化锰铁和金属锰磷含量的测定钼蓝分光光度法和铋磷钼蓝分光光度法	China National Standards photom	English PDF
GB/T 5686.2-2022	Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method 锰铁、锰硅合金、氮化锰铁和金属锰硅含量的测定钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法	China National Standards photom	English PDF
GB/T 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 photom	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 photom	English PDF
GB/T 7729-2021	Chemical analysis of metallurgical products—General rule for spectrophotometric methods 冶金产品化学分析分光光度法通则	China National Standards photom	English PDF
GB/T 5195.11-2021	Fluorspar—Determination of manganese content—Periodate spectrophotometry and flame atomic absorption spectrometry 萤石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 photom	English PDF
GB/T 223.91-2021	Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method 钢铁及合金铜含量的测定 2，2'-联喹啉分光光度法	China National Standards photom	English PDF
GB/T 40173-2021	Determination of reducing-end sugar in water-soluble chitosan—Spectrophotometric method 水溶性壳聚糖中还原性端基糖的测定分光光度法	China National Standards photom	English PDF
GB/T 40152-2021	Determination of saccharase activity in honey—Spectrophotometric method 蜂蜜中蔗糖转化酶的测定分光光度法	China National Standards photom	English PDF
GB/T 14949.5-2021	Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric method 锰矿石钛含量的测定二安替吡啉甲烷分光光度法	China National Standards photom	English PDF
GB/T 6730.48-2021	Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石铋含量的测定二硫代二安替吡啉甲烷分光光度法	China National Standards photom	English PDF
GB/T 40998-2021	Determination of hydroxypropyl content in modified starch -- Spectrophotometric method 变性淀粉中羟丙基含量的测定分光光度法	China National Standards photom	English PDF
GB/T 40897-2021	Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method 化妆品中碱金属硫化物和碱土金属硫化物的测定亚甲基蓝分光光度法	China National Standards photom	English PDF
GB/T 223.37-2020	Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation 钢铁及合金氮含量的测定蒸馏分离靛酚蓝分光光度法	China National Standards photom	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 photom	English PDF
GB/T 8704.6-2020	Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method 钒铁硅含量的测定硫酸脱水重量法和硅钼蓝分光光度法	China National Standards photom	English PDF
GB/T 3286.10-2020	Methods for chemical analysis of limestone and dolornite一Part 10:Determination of titanium dioxide content一Diantipyrylmethane spectrophotometric method 石灰石及白云石化学分析方法第10部分：二氧化钛含量的测定二安替吡啉甲烷分光光度法	China National Standards photom	English PDF
GB/T 39544-2020	Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method 浓缩天然胶乳总磷酸盐含量的测定分光光度法	China National Standards photom	English PDF
GB/T 15076.7-2020	Part 7: Determination of phosphorus content in niobium 4-methyl-pentanone- [2] extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光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 15076.4-2020	Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法第4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 13747.4-2020	Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第4部分：铬量的测定二苯卡巴肼分光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 13747.3-2020	Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第3部分：镍量的测定丁二酮肟分光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 39302-2020	Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method 再生水水质阴离子表面活性剂的测定亚甲蓝分光光度法	China National Standards photom	English PDF
GB/T 20975.20-2020	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 photom	English PDF
GB/T 13747.2-2019	Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第2部分：铁量的测定 1,10-二氮杂菲分光光度法和电感耦合等离子体原子发射光谱法	China National Standards photom	English PDF
GB/T 13747.12-2019	Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry 锆及锆合金化学分析方法第12部分：硅量的测定钼蓝分光光度法	China National Standards photom	English PDF
GB/T 8152.14-2019	Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法第14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 6730.78-2019	Iron ores—Determination of cadmium content—Graphite furnace atomic absorption spectrophotometric method 铁矿石镉含量的测定石墨炉原子吸收光谱法	China National Standards photom	English PDF
GB/T 24583.5-2019	：Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric 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 20975.31-2019	Methods for chemical analysis of aluminium and aluminium alloys—Part 31：Determination of phosphorus content—Molybdenum blue spectrophotometry 铝及铝合金化学分析方法第31部分：磷含量的测定钼蓝分光光度法	China National Standards photom	English PDF
GB/T 20975.29-2019	Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry 铝及铝合金化学分析方法第29部分：钼含量的测定硫氰酸盐分光光度法	China National Standards photom	English PDF
GB/T 13747.5-2019	Methods for chemical analysis of zirconium and zirconium alloys—Part 5：Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry 锆及锆合金化学分析方法第5部分：铝量的测定铬天青S-氯化十四烷基吡啶分光光度法	China National Standards photom	English PDF
GB/T 4333.6-2019	Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method 硅铁铬含量的测定二苯基碳酰二肼分光光度法	China National Standards photom	English PDF
GB/T 13747.6-2019	Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry 锆及锆合金化学分析方法第6部分：铜量的测定 2,9-二甲基-1,10-二氮杂菲分光光度法	China National Standards photom	English PDF
GB 23255-2019	photometric characteristics of daytime running lamps for power driven vehicles 机动车昼间行驶灯配光性能	China National Standards photom	English PDF
GB 5920-2019	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/T 15264-1994/XG1-2018	Ambient air--Determination of lead--Flame atomic absorption spectrophotometric method 《环境空气铅的测定火焰原子吸收分光光度法》第1号修改单	China National Standards photom	English PDF
GB/T 18633-2018	Determination of potassium in feeds—Flame photometry 饲料中钾的测定火焰光度法	China National Standards photom	English PDF
GB/T 35069-2018	Coke—Determination of phosphorus content—Reduced molybdophosphate spectrophotometric method 焦炭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 6437-2018	Determination of phosphorus in feeds—Spectrophotometry 饲料中总磷的测定分光光度法	China National Standards photom	English PDF
GB/T 36861-2018	Determination of activity of β-mannanase as feed additive—Spectrophotometric method 饲料添加剂β-甘露聚糖酶活力的测定分光光度法	China National Standards photom	English PDF
GB/T 16258-2018	Test method for sugar in cotton fibers—Spectrophotometry 棉纤维含糖试验方法分光光度法	China National Standards photom	English PDF
GB/T 36084-2018	Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectrophotometry 纳米技术水溶液中铜、锰、铬离子含量的测定紫外-可见分光光度法	China National Standards photom	English PDF
GB/T 34796-2017	Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry 水溶液中核酸的浓度和纯度检测紫外分光光度法	China National Standards photom	English PDF
GB/T 17923-2017	Analytical method for oily sewage from marine petroleum development industry—Infrared spectrophotometry 海洋石油开发工业含油污水分析方法红外分光光度法	China National Standards photom	English PDF
GB/T 5195.6-2017	Fluorspar—Determination of phosphorus content—photometric method 萤石磷含量的测定分光光度法	China National Standards photom	English PDF
GB/T 12690.6-2017	Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法第6部分：铁量的测定硫氰酸钾、1,10-二氮杂菲分光光度法	China National Standards photom	English PDF
GB/T 5124.4-2017	Hardmetals—Part 4：Determination of titanium content—photometric peroxide method 硬质合金化学分析方法第4部分：钛量的测定过氧化氢分光光度法	China National Standards photom	English PDF
GB/T 10574.11-2017	Methods for chemical analysis of tin-lead solders—Part 11：Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry 锡铅焊料化学分析方法第11部分：磷量的测定结晶紫-磷钒钼杂多酸分光光度法	China National Standards photom	English PDF
GB/T 4698.3-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3：Determination of silicon content—Molybdenum blue spectrophotometry 海绵钛、钛及钛合金化学分析方法第3部分：硅量的测定钼蓝分光光度法	China National Standards photom	English PDF
GB/T 4698.22-2017	Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22：Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第22部分：铌量的测定 5-Br-PADAP分光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 1819.11-2017	Methods for chemical analysis of tin concentrates—Part 11：Determination of aluminium oxide content—Chromazuzal S spectrophotometric method 锡精矿化学分析方法第11部分：三氧化二铝量的测定铬天青S分光光度法	China National Standards photom	English PDF
GB/T 4698.20-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第4部分：锰量的测定高碘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 photom	English PDF
GB/T 13747.15-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 15：Determination of boron content—Curcumin spectrophotometry 锆及锆合金化学分析方法第15部分：硼量的测定姜黄素分光光度法	China National Standards photom	English PDF
GB/T 4698.19-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19：Determination of molybdenum content—Thiocyanate-differential spectrophotometry 海绵钛、钛及钛合金化学分析方法第19部分：钼量的测定硫氰酸盐示差光度法	China National Standards photom	English PDF
GB/T 4698.5-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 5：Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第5部分：钼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 photom	English PDF
GB/T 13747.8-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 8：Determination of cobalt content—Nitroso-R-salt spectrophotometry 锆及锆合金化学分析方法第8部分：钴量的测定亚硝基R盐分光光度法	China National Standards photom	English PDF
GB/T 13747.11-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry 锆及锆合金化学分析方法第11部分：钼量的测定硫氰酸盐分光光度法	China National Standards photom	English PDF
GB/T 4698.24-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 24：Determination of nickel content—Dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第24部分：镍量的测定丁二酮肟分光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 13747.19-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part19：Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第19部分：钛量的测定二安替比林甲烷分光光度法和电感耦合等离子体原子发射光谱法	China National Standards photom	English PDF
GB/T 13747.25-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 25：Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第25部分：铌量的测定 5-Br-PADAP分光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 13747.1-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry 锆及锆合金化学分析方法第1部分：锡量的测定碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法	China National Standards photom	English PDF
GB/T 4698.23-2017	Methods for chemical analysis of titanium sponge，titanium and titanium alloys—Part 23：Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第23部分：钯量的测定氯化亚锡-碘化钾分光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 4698.25-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 25：Determination of chlorine content—Silver chlorin spectrophotometry 海绵钛、钛及钛合金化学分析方法第25部分：氯量的测定氯化银分光光度法	China National Standards photom	English PDF
GB/T 1819.12-2017	Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration 锡精矿化学分析方法第12部分：二氧化硅量的测定硅钼蓝分光光度法和氢氧化钠滴定法	China National Standards photom	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 photom	English PDF
GB/T 34178-2017	Silica glass substrates for photomask 光掩模石英玻璃基板	China National Standards photom	English PDF
GB/T 34176-2017	Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法	China National Standards photom	English PDF
GB/T 6730.42-2017	Iron ores—Determination of lead content—Dithizone spectrophotometric method 铁矿石铅含量的测定双硫腙分光光度法	China National Standards photom	English PDF
GB/T 6730.39-2017	Iron ores—Determination of nickle content—Dimetylglyoxime spectrophotometric method 铁矿石镍含量的测定丁二酮肟分光光度法	China National Standards photom	English PDF
GB/T 6730.47-2017	Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method 铁矿石铌含量的测定氯代磺酚S分光光度法	China National Standards photom	English PDF
GB/T 6730.37-2017	Iron ores—Determination of cobalt content—4-((5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method 铁矿石钴含量的测定 4-[(5-氯-2-吡啶)偶氮]-1，3-二氨基苯分光光度法	China National Standards photom	English PDF
GB/T 6730.31-2017	Iron ores—Determination of vanadium—N-benzoyl-N-phenylhydroxylamine extraction spectrophotometric method 铁矿石钒含量的测定 N-苯甲酰苯胲萃取分光光度法	China National Standards photom	English PDF
GB/T 6730.38-2017	Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method 铁矿石钴含量的测定亚硝基-R盐分光光度法	China National Standards photom	English PDF
GB/T 6730.30-2017	Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method 铁矿石铬含量的测定二苯基碳酰二肼分光光度法	China National Standards photom	English PDF
GB/T 6730.34-2017	Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method 铁矿石锡含量的测定邻苯二酚紫-溴化十六烷基三甲胺分光光度法	China National Standards photom	English PDF
GB/T 6730.44-2017	Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method 铁矿石锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法	China National Standards photom	English PDF
GB/T 34323-2017	Carbon black—Determination of light transmittance of water dispersion—Spectrophotometer method 炭黑水分散体透光率的测定分光光度计法	China National Standards photom	English PDF
GB/T 6730.27-2017	Iron ores—Determination of fluorine content—Lanthanum-alizarin complexion spectrophotometric method 铁矿石氟含量的测定镧-茜素络合腙分光光度法	China National Standards photom	English PDF

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