China National Standards

China phenyl GB Standards English PDF List


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  •  China "phenyl" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 25789-2023 p-phenylenediamine
    对苯二胺
    China National Standards
    phenyl

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    GB/T 23519-2023 triphenylphosphine rhodium chloride
    三苯基膦氯化铑
    China National Standards
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    GB/T 43314-2023 Silicone rubber, determination of phenyl and vinyl content, proton nuclear magnetic resonance spectroscopy
    硅橡胶 苯基和乙烯基含量的测定 核磁共振氢谱法
    China National Standards
    phenyl

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    GB 1886.368-2023 National Food Safety Standard Food Additive (2S,5R)-N-[4-(2-Amino-2-oxoethyl)phenyl]-5-methyl-2-(propyl-2-)cyclohexane formamide
    食品安全国家标准 食品添加剂 (2S,5R)-N-[4-(2-氨基-2-氧代乙基)苯基]-5-甲基-2-(丙基-2-)环己烷甲酰胺
    China National Standards
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    GB/T 42425-2023 Determination of functional components caprylylsalicylic acid, phenylethylresorcinol and ferulic acid in cosmetics by high performance liquid chromatography
    化妆品中功效组分辛酰水杨酸、苯乙基间苯二酚、阿魏酸的测定 高效液相色谱法
    China National Standards
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    GB/T 41874-2022 Plastic Polyphenylene ether (PPE) resin
    塑料 聚苯醚(PPE)树脂
    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 1886.69-2016 National food safety standard - Food Additives - Asparagine phenylalanine methyl ester Acesulfame acid + No.1 modification sheet
    食品安全国家标准 食品添加剂 天门冬酰苯丙氨酸甲酯乙酰磺胺酸+《第1号修改单》
    China National Standards
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    GB 1886.313-2020 National food safety standard - Food additive - Diphenyl oxide
    食品安全国家标准 食品添加剂 联苯醚(又名二苯醚)
    China National Standards
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    GB/T 39560.6-2020 Determination of certain substances in electrical and electronic products—Part 6: Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry(GC-MS)
    电子电气产品中某些物质的测定 第6部分:气相色谱-质谱仪(GC-MS)测定聚合物中的多溴联苯和多溴二苯醚
    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 24165-2020 Determination of polychlorinated biphenyls in dye products
    染料产品中多氯联苯的测定
    China National Standards
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    GB/T 21841-2019 Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
    橡胶防老剂 N-1,3-二甲基丁基-N’-苯基对苯二胺(6PPD)
    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 37649-2019 Determination of thimerosal and diphenylmercury in cosmetics—High performance liquid chromatography-inductively coupled plasma mass spectrometry
    化妆品中硫柳汞和苯基汞的测定 高效液相色谱-电感耦合等离子体质谱法
    China National Standards
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    GB/T 37639-2019 Determination of polybrominated biphenyls and polybrominated diphenyl ethers in plastic products—Gas chromatography and mass spectrometry
    塑料制品中多溴联苯和多溴二苯醚的测定 气相色谱-质谱法
    China National Standards
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    GB/T 37638-2019 Determination of polybrominated biphenyls and polybrominated biphenyl ethers in plastic products—High performance liquid chromatography
    塑料制品中多溴联苯和多溴二苯醚的测定 高效液相色谱法
    China National Standards
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    GB/T 37101-2018 Determination of 3,3’-dichloro-4,4’-diaminodiphenylmethane in polymeric materials—Gas chromatography-mass spectrography
    聚合物材料中3,3-二氯-4,4-二氨基二苯基甲烷的测定-气相色谱-质谱法
    China National Standards
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    GBZ/T 300.164-2018 Determination of toxic substances in the workplace - Part 164: Diphenylmethane diisocyanate
    工作场所空气有毒物质测定-第164部分:二苯基甲烷二异氰酸酯
    China National Standards
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    GB/T 37194.2-2018 Plastics—Poly(phenylene sulfide)(PPS) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties
    塑料-聚苯硫醚(PPS)模塑和挤出材料-第2部分:试样制备和性能测定
    China National Standards
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    GB/T 37194.1-2018 Plastics—Poly(phenylene sulfide)(PPS) moulding and extrusion materials—Part 1:Designation system and basis for specifications
    塑料-聚苯硫醚(PPS)模塑和挤出材料-第1部分:命名系统和分类基础
    China National Standards
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    GB/T 36497-2018 Determination of polychlorinated biphenyls in coatings
    涂料中多氯联苯的测定
    China National Standards
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    GB/T 34455-2017 Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
    纸、纸板和纸浆 2,2-二(4-羟基苯基)丙烷(双酚A)的测定 液相色谱法
    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 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 6730.30-2017 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 34270-2017 Determination of polychorinated biphenyls and hexachlorobenzene in feeds—Gas chromatography
    饲料中多氯联苯与六氯苯的测定 气相色谱法
    China National Standards
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    GB 13015-2017 standard for pollution control on Polychlorinated Biphenyls (PCBs)-contaminated wastes
    含多氯联苯废物污染控制标准
    China National Standards
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    GB/T 33913.1-2017 Method for chemical analysis of tris(triphenylphosphine) rhodium(I) chloride—Part 1:The determination of rhodium content—Inductively coupled plasma atomic emission spectrometry
    三苯基膦氯化铑化学分析方法 第1部分:铑量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
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    GB/T 33913.2-2017 Method for chemical analysis of tris(triphenylphosphine) rhodium(I) chloride—Part 2:The determination of lead,iron,copper,palladium,platinum,aluminium,nickel,magnesium,zinc content—Inductively coupled plasma atomic emission spectrome
    三苯基膦氯化铑化学分析方法 第2部分:铅、铁、铜、钯、铂、铝、镍、镁、锌量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
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    GB/T 35249-2017 Textiles—Quantitative chemical analysis—Mixtures of polyphenylene sulfide fiber and some other fibers
    纺织品 定量化学分析 聚苯硫醚纤维与某些其他纤维的混合物
    China National Standards
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    GB/T 33353-2016 Determination of restricted substances including tributyltin and triphenyltin in electrical and electronic products—Gas chronatography-mass spectrometry
    电子电气产品中的限用物质三丁基锡和三苯基锡的测定 气相色谱-质谱法
    China National Standards
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    GB 31604.39-2016 National Food Safety Standard-Food contact materials and products-Determination of polychlorinated biphenyls in food contact paper
    食品安全国家标准 食品接触材料及制品 食品接触用纸中多氯联苯的测定
    China National Standards
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    GB/T 33089-2016 Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
    化学试剂 N,N-二甲基对苯二胺盐酸盐
    China National Standards
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    GB 31604.10-2016 National Food Safety Standard - Food contact materials and products - Determination of migration of 2,2-bis (4-hydroxyphenyl) propane (bisphenol A)
    食品安全国家标准 食品接触材料及制品 2,2-二(4-羟基苯基)丙烷(双酚A)迁移量的测定
    China National Standards
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    GB 1886.192-2016 National Food Safety Standard-Food Additives-phenylethyl alcohol
    食品安全国家标准 食品添加剂 苯乙醇
    China National Standards
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    GB 1886.47-2016 National Food Safety Standard-Food Additives-Aspartyl phenylalanine
    食品安全国家标准 食品添加剂 天门冬酰苯丙氨酸甲酯(又名阿斯巴甜)
    China National Standards
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    GB/T 14849.11-2016 Methods for chemical analysis of silicon metal—Part 11:Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method
    工业硅化学分析方法 第11部分:铬含量的测定 二苯碳酰二肼分光光度法
    China National Standards
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    GB/T 32887-2016 Determination of polychlorinated biphenyls in electrical and electronic products—Gas chromatography-mass spectrometry
    电子电气产品中多氯联苯的测定 气相色谱-质谱法
    China National Standards
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    GB 23200.72-2016 National food safety standards—Determination of phenylbenzamide pesticides residues in foods - Gas chromatography-mass spectrometry
    食品安全国家标准 食品中苯酰胺类农药残留量的测定 气相色谱-质谱法
    China National Standards
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    GB 23200.2-2016 National food safety standards—Determination of diphenyl ether herbicide residues in cereals and oil seeds Gas chromatography-mass spectrometry
    食品安全国家标准 除草剂残留量检测方法第2部分:气相色谱-质谱法测定 粮谷及油籽中二苯醚类除草剂残留量
    China National Standards
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    GB/T 13658-2015 Polymethylene polyphenylene isocyanate
    多亚甲基多苯基异氰酸酯
    China National Standards
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    GB/T 13941-2015 Diphenylmethane diisocyanate
    二苯基甲烷二异氰酸酯
    China National Standards
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    GB/T 31931-2015 Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method
    钢板及钢带 锌及锌合金镀层中六价铬含量的测定 二苯碳酰二肼分光光度法
    China National Standards
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    GB 31830-2015 The norm of energy consumption per unit product of diphenyl methane diisocyanate
    二苯基甲烷二异氰酸酯单位产品能源消耗限额
    China National Standards
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    GB 5009.190-2014 National Food Safety Standard - Determination of Indicator Polychlorinated Biphenyls in Foods
    食品安全国家标准 食品中指示性多氯联苯含量的测定
    China National Standards
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    GB/T 30304-2013 Methylphenyldichlorosilane for industial use
    工业用甲基苯基二氯硅烷
    China National Standards
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    GB/T 30302-2013 phenyltrichlorosilane for industial use
    工业用苯基三氯硅烷
    China National Standards
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    GB 29944-2013 National Food Safety Standard Food Additive Identification N-[N-(3, 3-dimethyl butyl)]-L-α-asparagin-L-phenylalanine1-methyl ester (neotam)
    食品安全国家标准 食品添加剂 N-[N-(3,3-二甲基丁基)]-L-α-天门冬氨-L-苯丙氨酸1-
    China National Standards
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    GB/T 29644-2013 Rubber,vulcanized - Determination the content of N-phenyl-β-naphthylamine - High performance liquid chromatogramic method
    硫化橡胶 N-苯基-β-萘胺含量的测定 高效液相色谱法
    China National Standards
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    GB/T 29610-2013 Rubber products - Determination of polybrominated biphenyls and polybrominated diphenyl ethers - Gas chromatography and mass spectrometry
    橡胶制品 多溴联苯和多溴二苯醚的测定 气相色谱-质谱法
    China National Standards
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    GB/T 29609-2013 Rubber - Determination of phenol and biphenyl-A
    橡胶 苯酚和双酚A的测定
    China National Standards
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    GB/T 4325.19-2013 Methods for chemical analysis of molybdenum - Part 19: Determination of chromium content - Diphenylcarbazide spectrophotometry
    钼化学分析方法 第19部分:铬量的测定 二苯基碳酰二肼分光光度法
    China National Standards
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    GB/T 4325.18-2013 Methods for chemical analysis of molybdenum - Part 18: Determination of vanadium content - N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
    钼化学分析方法 第18部分:钒量的测定 钽试剂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 29493.1-2013 Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 1: Determination of polybrominated biphenyl and polybrominated diphenyl ethers GC/MS method
    纺织染整助剂中有害物质的测定 第1部分: 多溴联苯和多溴二苯醚的测定 气相色谱-质谱法
    China National Standards
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    GB/T 8151.13-2012 Methods for chemical analysis of zinc concentrates - Part 13: Determination of germanium content - Hydride generation-atomic fluorescence spectrometry and the phenyl fluorone spectrophptometric method
    锌精矿化学分析方法 第13部分:锗量的测定 氢化物发生-原子荧光光谱法和苯芴酮分光光度法
    China National Standards
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    GB 28361-2012 National Food Safety Standard - Food Additive - Ethyl phenylacetate
    食品安全国家标准 食品添加剂 苯乙酸乙酯
    China National Standards
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    GB 28360-2012 National Food Safety Standard - Food Additive - phenylethyl Phenylacetate
    食品安全国家标准 食品添加剂 苯乙酸苯乙酯
    China National Standards
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    GB/T 28019-2011 Adornment - Determination of Chromium(Ⅵ)- 1, 5-Diphenylcarbohydrazide spectrophotometric method
    饰品 六价铬的测定 二苯碳酰二肼分光光度法
    China National Standards
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    GB/T 26125-2011 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
    电子电气产品 六种限用物质(铅、汞、镉、六价铬、多溴联苯和多溴二苯醚)的测定
    China National Standards
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    GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry
    锌及锌合金化学分析方法 第1部分:铝量的测定 铬天青S-聚乙二醇辛基苯基醚-溴化十六烷基吡啶分光光度法、CAS分光光度法和EDTA滴定法
    China National Standards
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    GB/T 25789-2010 p-phenylenediamine
    对苯二胺
    China National Standards
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    GB/T 8574-2010 Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
    复混肥料中钾含量的测定 四苯硼酸钾重量法
    China National Standards
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    GB/T 25001-2010 Paper,board and Pulp - Determination of 7 specified polychlorinated biphenyls(PCBs)
    纸、纸板和纸浆 7种多氯联苯(PCBs)含量的测定
    China National Standards
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    GB/T 24800.12-2009 Determination of p-phenylenediamine,o-phenylenediamine and m-phenylenediamine in cosmetics
    化妆品中对苯二胺、邻苯二胺和间苯二胺的测定
    China National Standards
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    GB/T 24165-2009 Determination of the content of polychlorinated biphenyls in dye products
    染料产品中多氯联苯的测定
    China National Standards
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    GB/T 12009.3-2009 Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
    塑料 多亚甲基多苯基异氰酸酯 第3部分:黏度的测定
    China National Standards
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    GB/T 23974-2009 Determination of the content of ortho-phenylphenol in dye products
    染料产品中邻苯基苯酚的测定
    China National Standards
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    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
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    GB/T 23296.24-2009 Food contact materials - Polymer - Determination of 1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4’-dihydroxybenzophenone and 4,4’dihydroxybiphenyl in food simulants - High performance liquid chromatography
    食品接触材料 高分子材料 食品模拟物中1,2-苯二酚、1,3-苯二酚、1,4-苯二酚、4,4’-二羟二苯甲酮、4,4'-二羟联苯的测定 高效液相色谱法
    China National Standards
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    GB/T 23519-2009 Chlorotri (triphenylphosphine) rhodium
    三苯基膦氯化铑
    China National Standards
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    GB/T 23296.16-2009 Food contact materials - Polymer - Determination of 2,2-bis(4-hydroxyphenyl)propane(bisphenol A )in food simulants - High performance liquid chromatography
    食品接触材料 高分子材料 食品模拟物中2,2-二(4-羟基苯基)丙烷(双酚A)的测定 高效液相色谱法
    China National Standards
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    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
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    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
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    GB/T 22977-2008 Determination of phenylbutazone residues in bovine milk and milk powder - LC-MS-MS method
    牛奶和奶粉中保泰松残留量的测定 液相色谱-串联质谱法
    China National Standards
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    GB 22367-2008 Food additive - N-L-α-Aspartyl-L-phenylalanine-L-methyl ester(Aspartame)
    食品添加剂 天门冬酰苯丙氨酸甲酯(阿斯巴甜)
    China National Standards
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    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
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    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
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    GB/Z 21276-2007 Determination of restricted substances - Polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic equipment
    电子电气产品中限用物质多溴联苯(PBBs)、多溴二苯醚(PBDEs)检测方法
    China National Standards
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    GB/Z 21215-2007 Rigid laminated sheet based on modified diphenyl ether resins and glass cloth
    改性二苯醚玻璃布层压板
    China National Standards
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    GB/T 20754-2006 Method for the determination of phenylbutazone in livestock and poultry muscles - LC-UV detection method
    畜禽肉中保泰松残留量的测定 液相色谱-紫外检测法
    China National Standards
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    GB/T 20646-2006 Rubber compounding ingredients - p-phenylenediamine(PPD) antioxidants - Test methods
    橡胶配合剂 对苯二胺(PPD)防老剂试验方法
    China National Standards
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    GB/T 20387-2006 Textiles―Determination of the content of polychlorinated biphenyls (PCBs)
    纺织品 多氯联苯的测定
    China National Standards
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    GB/T 20386-2006 Textiles ―Determination of the content of ortho-phenylphenol
    纺织品 邻苯基苯酚的测定
    China National Standards
    phenyl

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    GB/T 20127.13-2006 Steel and alloy - Determination of trace element contents Part 13: Determination of tin content by iodide extraction-phenylfluorone photometric method
    钢铁及合金 痕量元素的测定 第13部分:碘化物萃取-苯基荧光酮光度法测定锡含量
    China National Standards
    phenyl

    English PDF
    GB/T 8381.8-2005 Determination of Polychlorobiphenyls(PCBs)in Feeds-Gas Chromatography
    饲料中多氯联苯的测定 气相色谱法
    China National Standards
    phenyl

    English PDF
    GB/T 12689.10-2004 The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
    锌及锌合金化学分析方法 锡量的测定 苯芴酮-溴化十六烷基三甲胺分光光度法
    China National Standards
    phenyl

    English PDF
    GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method
    氧化铝化学分析方法和物理性能测定方法 二苯基碳酰二肼光度法测定三氧化二铬含量
    China National Standards
    phenyl

    English PDF
    GB/T 6609.18-2004 Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method
    氧化铝化学分析方法和物理性能测定方法 N,N-二甲基对苯二胺分光光度法测定硫酸根含量
    China National Standards
    phenyl

    English PDF
    GB/T 6609.10-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method
    氧化铝化学分析方法和物理性能测定方法 苯甲酰苯基羟胺萃取光度法测定五氧化二钒含量
    China National Standards
    phenyl

    English PDF
    GB 18533-2001 Occupational exposure limit for polymethylene polyphenyl isocyanate(PMPPI) in the air of workplace
    车间空气中多次甲基多苯基多异氰酸酯职业接触限值
    China National Standards
    phenyl

    English PDF
    GB/T 223.14-2000 Methods for chemical analysis of iron,steel and alloy--The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
    钢铁及合金化学分析方法 钽试剂萃取光度法测定钒含量
    China National Standards
    phenyl

    English PDF
    GB/T 17816-1999 Determination of total ascorbicacid in feeds--o-phenylenediamine fluorometry
    饲料中总抗坏血酸的测定 邻苯二胺荧光法
    China National Standards
    phenyl

    English PDF
    GB/T 16055-1995 Workplace air--Determination of diphenyl-diphenyl ether--Ultraviolet spectrophotometric method
    车间空气中联苯-苯醚的紫外分光光度测定方法
    China National Standards
    phenyl

    English PDF
    GB/T 16019-1995 Workplace air--Determination of chromium trioxide,chromates and dichromates--Diphenylcarbazide spectrophotometric method
    车间空气中三氧化铬、铬酸盐、重铬酸盐的二苯碳酰二肼分光光度测定方法
    China National Standards
    phenyl

    English PDF
    GB/T 15917.3-1995 Dysprosium and dysprosium oxide--Determination of tantalum content--Para-chloride-phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method
    金属镝及氧化镝化学分析方法 对氯苯基荧光酮-溴化十六烷基 三甲基胺分光光度法测定钽量
    China National Standards
    phenyl

    English PDF
    GB/T 15555.5-1995 Solid waste--Determination of total chromium--1,5-Diphenylcarbohydrazide spectrophotometric method
    固体废物 总铬的测定 二苯碳酰二肼分光光度法
    China National Standards
    phenyl

    English PDF
    GB/T 15555.4-1995 Solid waste--Determination of chromium(VI)--1,5-Diphenylcarbohydrazide spectrophotometric method
    固体废物 六价铬的测定 二苯碳酰二肼分光光度法
    China National Standards
    phenyl

    English PDF
    GB/T 223.50-1994 Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
    钢铁及合金化学分析方法 苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量
    China National Standards
    phenyl

    English PDF
    GB/T 13941-1992 Diphenylmethane 4,4’-diisocyanate
    二苯基甲烷4,4’-二异氰酸酯
    China National Standards
    phenyl

    English PDF

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