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  •  China "photom" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    GB/T 34178-2017 Silica glass substrates for photomask
    光掩模石英玻璃基板
    China National Standards
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    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
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    GB/T 4698.4-2017 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
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    GB/T 33409-2016 Determination of the activity of beta-galactosidase—Spectrophotometric method
    β-半乳糖苷酶活性检测方法 分光光度法
    China National Standards
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    GB 4660-2016 photometric characteristics of power-driven vehicle front fog lamps
    机动车用前雾灯配光性能
    China National Standards
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