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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 41874-2022 |
Plastic PolypHenylene ether (PPE) resin 塑料 聚苯醚（PPE）树脂 |
China National Standards pH |
 English PDF |
| GB/T 41791-2022 |
Plastics Films and sheets Non-oriented polyethylene terepHthalate (PET) sheet 塑料制品 薄膜和薄片 无取向聚对苯二甲酸乙二醇酯（PET）片材 |
China National Standards pH |
English PDF |
| GB/T 14916-2022 |
Identification Card pHysical Characteristics 识别卡 物理特性 |
China National Standards pH |
English PDF |
| GB/T 41683-2022 |
Determination of the banned substance colchicine and its derivative colcemid in cosmetics by liquid chromatograpHy-tandem mass spectrometry 化妆品中禁用物质秋水仙碱及其衍生物秋水仙胺的测定 液相色谱-串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 42006-2022 |
Plateau pHotovoltaic Power Generation Equipment Inspection Specifications 高原光伏发电设备检验规范 |
China National Standards pH |
English PDF |
| GB/T 41710-2022 |
Determination of banned substances lincomycin and clindamycin in cosmetics by liquid chromatograpHy-tandem mass spectrometry 化妆品中禁用物质林可霉素和克林霉素的测定 液相色谱-串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 41764-2022 |
Determination of pHotoinitiator content in radiation-curing coatings - Gas chromatography-mass spectrometry 辐射固化涂料中光引发剂含量的测定 气相色谱-质谱联用法 |
China National Standards pH |
English PDF |
| GB/T 1871.5-2022 |
Determination of magnesium oxide content in pHosphate rocks and concentrates - Flame atomic absorption spectrometry, volumetric and inductively coupled plasma emission spectrometry 磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法 |
China National Standards pH |
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 pH |
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 pH |
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 pH |
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 pH |
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 pH |
English PDF |
| GB/T 41079.2-2022 |
Methods for Determination of pHysical Properties of Liquid Metals Part 2: Determination of Electrical Conductivity 液态金属物理性能测定方法 第2部分：电导率的测定 |
China National Standards pH |
English PDF |
| GB/T 41756-2022 |
Corrosion of metals and alloys - Method for assessing resistance to atmospHeric corrosion of low alloy steels 金属和合金的腐蚀 低合金钢耐大气腐蚀评估方法 |
China National Standards pH |
English PDF |
| GB/T 41716-2022 |
Determination of main active ingredients in lacquer tree by high performance liquid chromatograpHy 漆树中主要有效成分含量的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 19042.5-2022 |
Evaluation and routine tests in medical imaging sector - Part 3-5: X-ray computed tomograpHy equipment imaging performance acceptance test and stability test 医用成像部门的评价及例行试验 第3-5部分：X射线计算机体层摄影设备成像性能验收试验与稳定性试验 |
China National Standards pH |
English PDF |
| GB/T 41869.1-2022 |
Optics and pHotonics - Microlens arrays - Part 1: Terminology 光学和光子学 微透镜阵列 第1部分：术语 |
China National Standards pH |
English PDF |
| GB/T 25963-2022 |
Determination of aromatics content in middle distillates containing fatty acid methyl esters - High performance liquid chromatograpHy with differential refractive index detector 含脂肪酸甲酯中间馏分芳烃含量的测定 示差折光检测器高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 3488.4-2022 |
Cemented carbide - MetallograpHic determination of microstructure - Part 4: Metallographic determination of porosity, non-combined carbon defects and decarburized phases 硬质合金 显微组织的金相测定 第4部分：孔隙度、非化合碳缺陷和脱碳相的金相测定 |
China National Standards pH |
English PDF |
| GB/T 42036-2022 |
Specification for inspection of single-pHase grounding capacitor current in mine high-voltage power grid 矿井高压电网单相接地电容电流检验规范 |
China National Standards pH |
English PDF |
| GB/T 40462-2021 |
Determination of 19 veterinary medicines in organic fertilizer—Liquid chromatograpHy-tandem mass spectrometry 有机肥料中19种兽药残留量的测定 液相色谱串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 40460-2021 |
Determination of plant growth regulators in fertilizers—Gas chromatograpHy 肥料中植物生长调节剂的测定 气相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40459-2021 |
Qualitative screening of multi plant growth regulators in fertilizers—Liquid chromatograpHy-tandem mass spectrometry method 肥料中多种植物生长调节剂的定性筛选 液相色谱-质谱联用法 |
China National Standards pH |
English PDF |
| GB/T 40453-2021 |
Detection and identification of pHyllosticta citricarpa (McAlpine) Aa 柑橘黑斑病菌检疫鉴定方法 |
China National Standards pH |
English PDF |
| GB/T 40531.1-2021 |
Ships and marine technology—Specifications for gas detectors intended for use on board ships—Part 1:Portable gas detectors for atmospHere testing of enclosed spaces 船舶与海上技术 船用气体探测器规范 第1部分：围蔽处所的便携式气体探测器 |
China National Standards pH |
English PDF |
| GB/T 40385-2021 |
Non-destructive testing of steel tubes—Digital radiograpHic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测 焊接钢管焊缝缺欠的数字射线检测 |
China National Standards pH |
English PDF |
| GB/T 40381-2021 |
Specification of sappHire plate for laser window 激光窗口用蓝宝石晶体板状材料规范 |
China National Standards pH |
English PDF |
| GB/T 40415-2021 |
Determination of light transmittance for the pHotovoltaic glass module used in building 建筑用光伏玻璃组件透光率测试方法 |
China National Standards pH |
English PDF |
| GB/T 40409-2021 |
Flame retardant chemical—TetrabromopHthalate diol 阻燃化学品 四溴苯酐二醇 |
China National Standards pH |
English PDF |
| GB/T 40408-2021 |
Nuclear grade isostatic grapHite for high temperature gas-cooled reactor internals 高温气冷堆堆内构件用核级等静压石墨 |
China National Standards pH |
English PDF |
| GB/T 40407-2021 |
X-ray powder diffraction analysis method for determining the pHases in portland cement clinker 硅酸盐水泥熟料矿相X射线衍射分析方法 |
China National Standards pH |
English PDF |
| GB/T 40404-2021 |
Slag material—Measurement of melting temperature—High temperature metallograpHic method 渣类材料 熔化温度的测定 高温金相法 |
China National Standards pH |
English PDF |
| GB/T 40395-2021 |
Determination of ammonium in methanol for industrial use—Ion chromatograpHy 工业用甲醇中铵离子的测定 离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 40394-2021 |
Determination of trace trimethylamine in methanol for industrial use—Gas chromatograpHy-mass spectrometry 工业用甲醇中痕量三甲胺含量的测定 气相色谱质谱联用法 |
China National Standards pH |
English PDF |
| GB/T 40369-2021 |
General rules for determination of immunochromatograpHic test strip 免疫层析试纸条检测通则 |
China National Standards pH |
English PDF |
| GB/T 40359-2021 |
Timekeeping instruments—pHotoluminescent deposits—Test methods and requirements 计时仪器 光致发光涂层 试验方法和要求 |
China National Standards pH |
English PDF |
| GB/T 40351-2021 |
Ecological technical requirements for recycled Poly(ethylene terepHthalate) fiber 循环再利用涤纶生态技术要求 |
China National Standards pH |
English PDF |
| GB/T 40348-2021 |
Determination of capsaicinoid in plant derived products—Liquid chromatograpHy-tandem mass spectrometry 植物源产品中辣椒素类物质的测定 液相色谱-质谱/质谱法 |
China National Standards pH |
English PDF |
| GB/T 40340-2021 |
Composites and metal assemblies—Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospHeres—Salt spray tests 复合材料与金属组合件 碳纤维增强聚合物基复合材料胶接或紧固件连接结构人工环境下的电偶腐蚀试验 盐雾试验 |
China National Standards pH |
English PDF |
| GB/T 40312-2021 |
FerropHosphorus—Determination of phosphorus, silicon, manganese and titanium content—Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method) 磷铁 磷、硅、锰和钛含量的测定 波长色散X射线荧光光谱法（熔铸玻璃片法） |
China National Standards pH |
English PDF |
| GB/T 20485.43-2021 |
Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the pHase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法 第43部分: 基于模型参数辨识的加速度计校准 |
China National Standards pH |
English PDF |
| GB/T 20485.32-2021 |
Methods for the calibration of vibration and shock transducers—Part 32: Resonance testing—Testing the frequency and the pHase response of accelerometers by means of shock excitation 振动与冲击传感器校准方法 第32部分：谐振测试 用冲击激励测试加速度计的频率和相位响应 |
China National Standards pH |
English PDF |
| GB/T 12604.9-2021 |
Non-destructive testing—Terminology—Infrared thermograpHy 无损检测 术语 红外热成像 |
China National Standards pH |
English PDF |
| GB/T 10125-2021 |
Corrosion tests in artificial atmospHeres—Salt spray tests 人造气氛腐蚀试验 盐雾试验 |
China National Standards pH |
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 pH |
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 pH |
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 pH |
English PDF |
| GB/T 6017-2021 |
Determination of purity and hydrocarbon impurities of butadiene for industrial use—Gas chromatograpHic method 工业用丁二烯纯度及烃类杂质的测定 气相色谱法 |
China National Standards pH |
English PDF |
| GB/T 6015-2021 |
Determination of trace dimer and residual extraction agent of butadiene for industrial use—Gas chromatograpHic method 工业用丁二烯中微量二聚物和残留抽提剂的测定 气相色谱法 |
China National Standards pH |
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 pH |
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 pH |
English PDF |
| GB/T 40500-2021 |
Determination of total aromatics composition in aviation fuels—Gas chromatograpHy 喷气燃料中芳烃总量的测定 气相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40496-2021 |
Determination of antioxidant content in jet fuel—High performance liquid chromatograpHy 喷气燃料中抗氧剂含量的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40486-2021 |
Determination of melittin content in bee venom powder—High performance liquid chromatograpHy 蜂毒干粉中蜂毒溶血肽含量的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 16840.4-2021 |
Technical determination methods for electrical fire evidence—Part 4: MetallograpHic analysis method 电气火灾痕迹物证技术鉴定方法 第4部分：金相分析法 |
China National Standards pH |
English PDF |
| GB/T 40142-2021 |
Tactile grapHics designing and symbols 触摸图形设计及图例 |
China National Standards pH |
English PDF |
| GB/T 40289-2021 |
Technical requirement of power control system for pHotovoltaic power station 光伏发电站功率控制系统技术要求 |
China National Standards pH |
English PDF |
| GB/T 40267-2021 |
Determination of Levodopa in plant derived products—High performance liquid chromatograpHy 植物源产品中左旋多巴的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40191-2021 |
Determination of restricted preservatives in toothpaste—High performance liquid chromatograpHy method 牙膏中限用防腐剂的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40190-2021 |
Determination of forbidden bleach in toothpaste—High performance liquid chromatograpHy method 牙膏中禁用漂白剂的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40189-2021 |
Determination of metronidazole and norfloxacin in toothpaste—High performance liquid chromatograpHy method 牙膏中甲硝唑和诺氟沙星的测定 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40185-2021 |
Determination of 5 kinds of ammonium chloride antibacterial agents in toothpaste—High performance liquid chromatograpHy method 牙膏中5种氯铵类抗菌剂的检测方法 高效液相色谱法 |
China National Standards pH |
English PDF |
| GB/T 40233-2021 |
Ergonomics of the thermal environment—Instruments for measuring pHysical quantities 热环境的人类工效学 物理量测量仪器 |
China National Standards pH |
English PDF |
| GB/T 40231-2021 |
Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatograpHy method 电子电气产品中的限用物质 六价铬的测定方法 离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 40230.1-2021 |
Methods of visual fatigue test and evaluation—Part 1:OpHthalmology and optometry 视疲劳测试与评价方法 第1部分：眼视光学 |
China National Standards pH |
English PDF |
| GB/T 40179-2021 |
Determination of organic acids in plant—Liquid chromatograpHy-tandem mass spectrometry 植物中有机酸的测定 液相色谱-质谱/质谱法 |
China National Standards pH |
English PDF |
| GB/T 40178-2021 |
OpHthalmic optics—Formers 眼科光学 模板 |
China National Standards pH |
English PDF |
| GB/T 40177-2021 |
Optics and optical instruments—OpHthalmology—Graduated dial scale 光学和光学仪器 眼科学 分度盘刻度 |
China National Standards pH |
English PDF |
| GB/T 40176-2021 |
Determination of xylobiose in plant-derived products - HydropHilic intention chromatography 植物源性产品中木二糖的测定 亲水保留色谱法 |
China National Standards pH |
English PDF |
| GB/T 40175.3-2021 |
Textiles—Methods of biochemical analysis—Part 3:OrganopHosphorus pesticide (enzyme-linked immunosorbent assay) 纺织品 生物化学分析方法 第3部分：有机磷类农药（酶联免疫法） |
China National Standards pH |
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 pH |
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 pH |
English PDF |
| GB/T 40145-2021 |
Determination of 11 glucocorticoids including desonide in cosmetics—Liquid chromatograpHy-tandem mass spectrometry 化妆品中地索奈德等十一种糖皮质激素的测定 液相色谱/串联质谱法 |
China National Standards pH |
English PDF |
| GB/T 40141-2021 |
Detection and identification of Candidatus pHytoplasma ulmi 榆韧皮部坏死植原体检疫鉴定方法 |
China National Standards pH |
English PDF |
| GB/T 40135-2021 |
Detection and identification of XylopHilus ampelinus (Panagopoulos) Willems et al. 葡萄细菌性疫病菌检疫鉴定方法 |
China National Standards pH |
English PDF |
| GB/T 40124-2021 |
Technical requirements and test methods of regenerated sulpHuric acid 再生硫酸技术要求及试验方法 |
China National Standards pH |
English PDF |
| GB/T 40111-2021 |
Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatograpHy 石油产品中氟、氯和硫含量的测定 燃烧-离子色谱法 |
China National Standards pH |
English PDF |
| GB/T 40071-2021 |
Nanotechnologies—Measurement of the number of layers of grapHene-related two-dimensional (2D) materials—Optical contrast method 纳米技术 石墨烯相关二维材料的层数测量 光学对比度法 |
China National Standards pH |
English PDF |
| GB/T 40069-2021 |
Nanotechnologies—Measurement of the number of layers of grapHene-related two-dimensional (2D) materials—Raman spectroscopy method 纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法 |
China National Standards pH |
English PDF |
| GB/T 40066-2021 |
Nanotechnologies—Thickness measurement of grapHene oxide—Atomic Force Microscopy (AFM) 纳米技术 氧化石墨烯厚度测量 原子力显微镜法 |
China National Standards pH |
English PDF |
| GB/T 24279.2-2021 |
Textiles - Determination of certain flame retardants - Part 2: pHosphorus flame retardants 纺织品 某些阻燃剂的测定 第2部分:磷系阻燃剂 |
China National Standards pH |
English PDF |
| GB/T 22889-2021 |
Leather—pHysical and mechanical tests—Determination of surface coating thickness 皮革 物理和机械试验 表面涂层厚度的测定 |
China National Standards pH |
English PDF |
| GB/T 22888-2021 |
Leather - pHysical and mechanical tests - Determination of cold crack temperature of surface coatings 皮革 物理和机械试验 表面涂层低温脆裂温度的测定 |
China National Standards pH |
English PDF |
| GB/T 22808-2021 |
Leather and fur-Chemical tests-Determination of chlorinated pHenols content 皮革和毛皮 化学试验 含氯苯酚的测定 |
China National Standards pH |
English PDF |
| GB/T 17934.8-2021 |
GrapHic technology—Process control for the production of half-tone colour separations, proof and production prints—Part 8:Validation print processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第8部分：直接使用数字数据的验证印刷品制作过程 |
China National Standards pH |
English PDF |
| GB/T 17934.7-2021 |
GrapHic technology—Process control for the production of half-tone colour separations,proof and production prints—Part 7:Proofing processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第7部分：直接使用数字数据的打样过程 |
China National Standards pH |
English PDF |
| GB/T 17934.2-2021 |
GrapHic technology—Process control for the production of half-tone colour separations,proof and production prints—Part 2:Offset lithographic processes 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第2部分：平版胶印 |
China National Standards pH |
English PDF |
| GB/T 17934.1-2021 |
GrapHic technology-Process control for the production of half-tone colour separations，proof and production prints-Part 1:Parameters and measurement methods 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第1部分：参数与测量方法 |
China National Standards pH |
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 pH |
English PDF |
| GB/T 1029-2021 |
Test procedures for three-pHase synchronous machines 三相同步电机试验方法 |
China National Standards pH |
English PDF |
| GB/T 786.3-2021 |
Fluid power systems and components—GrapHical symbols and circuit diagrams—Part 3: Symbol modules and connected symbols in circuit diagrams 流体传动系统及元件 图形符号和回路图 第3部分：回路图中的符号模块和连接符号 |
China National Standards pH |
English PDF |
| GB/T 786.1-2021 |
Fluid power systems and components—GrapHical symbols and circuit diagrams—Part 1:Graphical symbols 流体传动系统及元件 图形符号和回路图 第1部分：图形符号 |
China National Standards pH |
English PDF |
| GB/T 8897.2-2021 |
Primary batteries—Part 2: pHysical and electrical specifications 原电池 第2部分：外形尺寸和电性能 |
China National Standards pH |
English PDF |
| GB/T 25195.4-2021 |
Cranes—GrapHical symbols—Part 4:Jib cranes 起重机 图形符号 第4部分：臂架起重机 |
China National Standards pH |
English PDF |
| GB/T 39885-2021 |
Examination methods for triazolam in suspected drugs - Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中三唑仑检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39884-2021 |
Examination methods for three components in cannabis in suspected drugs - Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中大麻三种成分检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39883-2021 |
Examination methods for morpHine in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中吗啡检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39882-2021 |
Examination methods for methylene dioxymetham pHetamine in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中二亚甲基双氧安非他明检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
| GB/T 39881-2021 |
Examination methods for methaqualone in suspected drugs -- Gas chromatograpHy and gas chromatography-mass spectrometry 疑似毒品中安眠酮检验 气相色谱和气相色谱-质谱法 |
China National Standards pH |
English PDF |
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