'methyl'
China GB Standards List

HG/T 5947-2021
1-(4-Sulfophenyl)-3-methyl-5-pyrazolone{译}
1-(4-磺酸苯基)-3-甲基-5-吡唑酮

HG/T 5948-2021
1-(4-methylphenyl)-3-methyl-5-pyrazolone{译}
1-(4-甲基苯基)-3-甲基-5-吡唑啉酮

YS/T 1472.3-2021
Chemical analysis method of lithium-rich manganese-based cathode materials? Part 3: Determination of nickel content - dimethylglyoxime gravimetric method{译}
富锂锰基正极材料化学分析方法？第3部分：镍含量的测定丁二酮肟重量法

QB/T 1915-2021
Cationic surfactants Fatty alkyl trimethyl ammonium halide and fatty alkyl dimethyl benzyl ammonium halide{译}
阳离子表面活性剂脂肪烷基三甲基卤化铵及脂肪烷基二甲基苄基卤化铵

HJ 1226-2021
Water quality Determination of sulfide methylene blue spectrophotometry{译}
水质硫化物的测定亚甲基蓝分光光度法

NY/T 3947-2021
Determination of selenocystine, methylnitrocysteine and selenomethionine in livestock and poultry meat by high performance liquid chromatography-atomic fluorescence spectrometry
畜禽肉中硒代胱氨酸、甲基硝代半胱氨酸和硒代蛋氨酸的测定高效液相色谱-原子荧光光谱法

GB/T 40950-2021
Determination of alkyl(C12～C22) trimethyl ammonium salt in cosmetics—High performance liquid chromatography tandem mass spectrometry
化妆品中烷基(C12～C22)三甲基铵盐的测定高效液相色谱串联质谱法

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

GB/T 40911.3-2021
Plastics—Poly(methyl methacrylate) sheets—Types,dimensions and characteristics—Part 3:Continuous cast sheets
塑料制品聚甲基丙烯酸甲酯板材类型、尺寸和特性第3部分：连续浇铸板材

GB/T 40955-2021
Determination of octamethylcyclotetrasiloxane(D4) and decamethylcyclopentasiloxane(D5) in cosmetics—Gas chromatography
化妆品中八甲基环四硅氧烷（D4）和十甲基环五硅氧烷（D5）的测定气相色谱法

GB/T 40911.2-2021
Plastics—Poly(methyl methacrylate)sheets—Types,dimensions and characteristics—Part 2:Extruded sheets
塑料制品聚甲基丙烯酸甲酯板材类型、尺寸和特性第2部分：挤出板材

SN/T 5286-2021
Import and export of textiles - Determination of dimethyl fumarate - Surface plasmon resonance method{译}
进出口纺织品富马酸二甲酯的测定表面等离子体共振法

GA/T 1926-2021
Forensic Science Detection of 7 cathinones including 2-methylmethcathinone in suspected drugs Liquid chromatography and liquid chromatography-mass spectrometry
法庭科学疑似毒品中2-甲基甲卡西酮等7种卡西酮类毒品检验液相色谱和液相色谱-质谱法

GA/T 1932-2021
Forensic science Benzylpiperazine, 1-(3-chlorophenyl)piperazine and 1-(3-trifluoromethylphenyl)piperazine in suspected narcotics gas chromatography and gas chromatography-mass spectrometry
法庭科学疑似毒品中苄基哌嗪、1-(3-氯苯基)哌嗪和1-(3-三氟甲基苯基)哌嗪检验气相色谱和气相色谱-质谱法

GA/T 1911-2021
Forensic Science Determination of glyphosate and aminomethylphosphonic acid in biological samples Liquid chromatography-mass spectrometry
法庭科学生物检材中草甘膦和氨甲基膦酸检验液相色谱-质谱法

GA/T 1925-2021
Forensic Science Detection of 7 cathinones including 2-methylmethcathinone in suspected drugs Gas chromatography and gas chromatography-mass spectrometry
法庭科学疑似毒品中2-甲基甲卡西酮等7种卡西酮类毒品检验气相色谱和气相色谱-质谱法

GA/T 1930-2021
Forensic Science Detection of 5,6-methylenedioxy-2-aminoindan, 2-aminoindan and ethylaminopropylbenzofuran in suspected drugs Liquid chromatography and liquid chromatography-mass spectrometry
法庭科学疑似毒品中5,6-亚甲二氧基-2-氨基茚满、2-氨基茚满和乙基氨基丙基苯并呋喃检验液相色谱和液相色谱-质谱法

GA/T 721.2-2021
General technical requirements for visualization of potential fingerprint reagents - Part 2: 3,3',5,5'-Tetramethylbenzidine (TMB)
显现潜在手印试剂通用技术要求第2部分：3,3'，5,5'-四甲基联苯胺（TMB）

GB/T 40907-2021
Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline
家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷

GB/T 23801-2021
Determination of fatty acid methyl ester (FAME) content in middle distillates—Infrared spectrometry
中间馏分油中脂肪酸甲酯含量的测定红外光谱法

GB/T 22271.2-2021
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties
塑料聚甲醛（POM）模塑和挤出材料第2部分：试样制备和性能测定

GB/T 22271.1-2021
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 1: Designation system and basis for specification
塑料聚甲醛（POM）模塑和挤出材料第1部分：命名系统和分类基础

GB/T 40909-2021
Textiles—Determination of methylcyclosiloxane residues
纺织品甲基环硅氧烷残留量的测定

GB/T 39138.2-2020
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method
金镍铬铁硅硼合金化学分析方法第2部分：镍含量的测定丁二酮肟重量法

GB 30612-2014
National food safety standard - Food Additives - Polydimethylsiloxane (PDMS) and Its Emulsion + No.1 modification sheet
食品安全国家标准食品添加剂聚二甲基硅氧烷及其乳液+《第1号修改单》

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》

GB/T 38592-2020
Determination of 4,4’-methylene-bis(2-chloroaniline) in textile dyeing and finishing auxiliaries
纺织染整助剂产品中4,4’-亚甲基双(2-氯苯胺)的测定

YY/T 0953—2020
Medical carboxymethyl chitosan
医用羧甲基壳聚糖

GB 5009.282-2020
National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods
食品安全国家标准食品中1-甲基咪唑、2-甲基咪唑及4-甲基咪唑的测定

SN/T 5263-2020
Derivatives of fats and oils - Determination of mono-, di-, triglyceride, free and total glycerol content in fatty acid methyl esters - Gas chromatography
脂肪和油的衍生物脂肪酸甲酯中甘油一酯、甘油二酯、甘油三酯、游离甘油和总甘油含量的测定气相色谱法

HG/T 5718-2020
Industrial mixed dibasic acid dimethyl ester
工业用混合二元酸二甲酯

HG/T 5761-2020
Test method for catalytic performance of catalysts for the carbonylation of dimethyl ether to methyl acetate
二甲醚羰基化制乙酸甲酯催化剂催化性能试验方法

HG/T 5760-2020
Catalyst for the carbonylation of dimethyl ether to methyl acetate
二甲醚羰基化制乙酸甲酯催化剂

HG/T 4122-2020
Industrial Trimethylolpropane
工业用三羟甲基丙烷

HG/T 3481-2020
Chemical reagent 4-methyl-2-pentanone (methyl isobutyl ketone)
化学试剂 4-甲基-2-戊酮（甲基异丁基甲酮）

YS/T 1388-2020
Dichlorodi-tert-butyl-(4-dimethylaminophenyl)phosphinepalladium
二氯二叔丁基-(4-二甲基氨基苯基）膦钯

HG/T 5716-2020
methylbenzenesulfonic acid sulfuric acid mixture
甲基苯磺酸硫酸混合液

HG/T 5714-2020
Industrial Dimethyl Methyl Phosphonate
工业用甲基膦酸二甲酯

HG/T 5712-2020
2-Chloro-5-chloromethylpyridine
2-氯-5-氯甲基吡啶

HG/T 5707-2020
Test method for reaction performance of catalyst for dehydrogenation of methyl isobutyl methanol to methyl isobutyl ketone
甲基异丁基甲醇脱氢制甲基异丁基甲酮催化剂反应性能试验方法

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

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

GB/T 28610-2020
methyl vinyl silicone rubber
甲基乙烯基硅橡胶

HJ1076-2019
Ambient air - Determination of ammonia, methylamine, dimethylamine and trimethylamine - Ion chromatography
环境空气氨、甲胺、二甲胺和三甲胺的测定离子色谱法

HJ1078-2019
Stationary pollution source waste gas Determination of 8 kinds of sulfur-containing organic compounds such as methyl mercaptan Air bag sampling-preconcentration/gas chromatography-mass spectrometry
固定污染源废气甲硫醇等8种含硫有机化合物的测定气袋采样-预浓缩/气相色谱-质谱法

HJ 1042-2019
Determination of Trimethylamine in Ambient Air and Waste Gas Solution Absorption - Headspace/Gas Chromatography
环境空气和废气三甲胺的测定溶液吸收-顶空/气相色谱法

HJ 1041-2019
Determination of Trimethylamine in Waste Gas from Stationary Pollution Source Suppressed Ion Chromatography
固定污染源废气三甲胺的测定抑制型离子色谱法

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

GB/T 23854-2019
Bromochloro-5,5-dimethylhydantoin
溴氯海因

GB/T 37403-2019
Tetramethylammonium hydroxide developer for thin film transistor-liquid crystal display(TFT-LCD)
薄膜晶体管液晶显示器(TFT-LCD)用四甲基氢氧化铵显影液

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'methyl' China GB Standards List

'methyl'
China GB Standards List