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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 29268.5-2022 |
Information technology - BioMetric performance testing and reporting - Part 5: Access control scenarios and grading mechanisms 信息技术 生物特征识别性能测试和报告 第5部分：访问控制场景与分级机制 |
China National Standards Metric |
 English PDF |
| GB/T 41903.1-2022 |
Information technology - Object-oriented bioMetric application programming interface - Part 1: Architecture 信息技术 面向对象的生物特征识别应用编程接口 第1部分：体系结构 |
China National Standards Metric |
English PDF |
| GB/T 40694.9-2022 |
Information technology - Diagrams, icons and symbols for bioMetric identification systems - Part 9: Vascular applications 信息技术 用于生物特征识别系统的图示、图标和符号 第9部分：血管应用 |
China National Standards Metric |
English PDF |
| GB/T 40694.5-2022 |
Information technology - Diagrams, icons and symbols for bioMetric identification systems - Part 5: Face applications 信息技术 用于生物特征识别系统的图示、图标和符号 第5部分：人脸应用 |
China National Standards Metric |
English PDF |
| GB/T 26237.8-2022 |
Information technology - BioMetric data exchange format - Part 8: Fingerprint skeleton data 信息技术 生物特征识别数据交换格式 第8部分：指纹骨架数据 |
China National Standards Metric |
English PDF |
| GB/T 41801.3-2022 |
Information technology - BioMetric identification systems on cards - Part 3: Logical information exchange mechanism 信息技术 卡上生物特征识别系统 第3部分：逻辑信息交换机制 |
China National Standards Metric |
English PDF |
| GB/T 41801.2-2022 |
Information technology - BioMetric identification systems on cards - Part 2: Physical characteristics 信息技术 卡上生物特征识别系统 第2部分：物理特性 |
China National Standards Metric |
English PDF |
| GB/T 41801.1-2022 |
Information technology - BioMetric identification systems on cards - Part 1: Basic requirements 信息技术 卡上生物特征识别系统 第1部分：基本要求 |
China National Standards Metric |
English PDF |
| GB/T 41814.1-2022 |
Information technology - BioMetric calibration, augmentation and fusion data - Part 1: Fusion information format 信息技术 生物特征识别校准、增强和融合数据 第1部分：融合信息格式 |
China National Standards Metric |
English PDF |
| GB/T 41786-2022 |
public safety bioMetrics terminology 公共安全 生物特征识别 术语 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 5686.1-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of manganese content PotentioMetric titration, ammonium nitrate oxidation titration and perchloric acid oxidation titration 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 18779.1-2022 |
GeoMetric Product Specification (GPS) Measurement Inspection of Workpieces and Measuring Equipment Part 1: Rules for Passing or Failing Verification According to Specifications 产品几何技术规范(GPS) 工件与测量设备的测量检验 第1部分：按规范验证合格或不合格的判定规则 |
China National Standards Metric |
English PDF |
| GB/T 38265.3-2022 |
Test methods for soldering fluxes - Part 3: Determination of acid value - PotentioMetric and visual titration 软钎剂试验方法 第3部分：酸值的测定 电位滴定法和目视滴定法 |
China National Standards Metric |
English PDF |
| GB/T 4096.2-2022 |
GeoMetric Product Specification (GPS) Wedge Part 2: Dimensioning and Tolerancing 产品几何技术规范（GPS） 楔体 第2部分：尺寸与公差标注 |
China National Standards Metric |
English PDF |
| GB/T 4096.1-2022 |
Product GeoMetric Specifications (GPS) Wedges Part 1: Angle and Slope Series 产品几何技术规范（GPS） 楔体 第1部分：角度与斜度系列 |
China National Standards Metric |
English PDF |
| GB/T 42124.1-2022 |
GeoMetric product specification (GPS) Dimensional and geometric tolerances of molded parts - Part 1: Vocabulary 产品几何技术规范（GPS） 模制件的尺寸和几何公差 第1部分：词汇 |
China National Standards Metric |
English PDF |
| GB/T 41858-2022 |
Product GeoMetric Specification (GPS) Batch Specification 产品几何技术规范（GPS） 批量规范 |
China National Standards Metric |
English PDF |
| GB/T 16892-2022 |
Product GeoMetric Specification (GPS) Dimensioning and Tolerancing Non-rigid Parts 产品几何技术规范（GPS） 尺寸和公差标注 非刚性零件 |
China National Standards Metric |
English PDF |
| GB/T 6730.83-2022 |
Iron ore - Determination of loss on ignition - Hygroscopic water corrected graviMetric method 铁矿石 灼烧减量的测定 吸湿水校正重量法 |
China National Standards Metric |
English PDF |
| GB/T 40401-2021 |
Determination of density by voluMetric displacement—Skeleton density by gas pycnometry 骨架密度的测量 气体体积置换法 |
China National Standards Metric |
English PDF |
| GB/T 15728-2021 |
Glass resistance to attack by a boiling hydrochloric acid graviMetric method of test and classification 玻璃耐沸腾盐酸侵蚀性的重量试验方法和分级 |
China National Standards Metric |
English PDF |
| GB/T 14949.2-2021 |
Manganese ores—Determination of nickel content—Flame atomic absorption spectroMetric method 锰矿石 镍含量的测定 火焰原子吸收光谱法 |
China National Standards Metric |
English PDF |
| GB/T 14949.11-2021 |
Manganese ores—Determination of carbon content—GraviMetric method and infrared absorption method 锰矿石 碳含量的测定 重量法和红外线吸收法 |
China National Standards Metric |
English PDF |
| GB/T 14637-2021 |
Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectroMetric method 工业循环冷却水及水垢中铜、铁、锌的测定 原子吸收光谱法 |
China National Standards Metric |
English PDF |
| GB/T 14636-2021 |
Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectroMetric method 工业循环冷却水及水垢中钙、镁的测定 原子吸收光谱法 |
China National Standards Metric |
English PDF |
| GB/T 12810-2021 |
Laboratory glassware—Capacity methods testing and use of voluMetric instruments 实验室玻璃仪器 玻璃量器的容量校准和使用方法 |
China National Standards Metric |
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 Metric |
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 Metric |
English PDF |
| GB/T 7731.1-2021 |
Ferrotungsten—Determination of tungsten content—Cinchonine graviMetric method and ammonium nitrate gravimetric method 钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 7728-2021 |
Chemical analysis of metallurgical products—General rule for flame atomic absorption spectroMetric methods 冶金产品化学分析 火焰原子吸收光谱法通则 |
China National Standards Metric |
English PDF |
| GB/T 6324.11-2021 |
Test method of organic chemical products—Part 11：Determination of trace arsenic in liquid products—Atomic fluorescence spectroMetric method 有机化工产品试验方法 第11部分：液体化工产品中微量砷的测定 原子荧光法 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 223.90-2021 |
Iron, steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectroMetric method 钢铁及合金 硅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Metric |
English PDF |
| GB/T 40374-2021 |
Hardmetals—Determination of lead and cadmium content—Flame atomic absorption spectroMetric method and inductively coupled plasma atomic emission spectrometry 硬质合金化学分析方法 铅量和镉量的测定 火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 |
China National Standards Metric |
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 Metric |
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 Metric |
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 Metric |
English PDF |
| GB/T 14949.12-2021 |
Manganese ores - Determination of combined water content - GraviMetric method 锰矿石 化合水含量的测定 重量法 |
China National Standards Metric |
English PDF |
| GB/T 20373-2021 |
Determination of acetyl content in modified starch—TitriMetric method 变性淀粉中乙酰基含量的测定 滴定法 |
China National Standards Metric |
English PDF |
| GB/T 37036.4-2021 |
Information technology—BioMetrics used with mobile devices—Part 4：Iris 信息技术 移动设备生物特征识别 第4部分：虹膜 |
China National Standards Metric |
English PDF |
| GB/T 39748.9-2021 |
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 9:GraviMetric determination of density 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第9部分：称重法测定密度 |
China National Standards Metric |
English PDF |
| GB/T 39748.8-2021 |
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 8:GraviMetric determination of flowrate 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第8部分：称重法测定流量 |
China National Standards Metric |
English PDF |
| GB/T 39748.7-2021 |
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 7:GraviMetric determination of absorption under pressure 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第7部分：称重法测定压力作用下的吸液量 |
China National Standards Metric |
English PDF |
| GB/T 39748.6-2021 |
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 6:GraviMetric determination of fluid retention capacity in saline solution after centrifugation 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第 6 部分: 称重法测定离心后的生理盐水保液率 |
China National Standards Metric |
English PDF |
| GB/T 39748.10-2021 |
Urine-absorbing aids for incontinence -- Test methods for characterizing polymer-based absorbent materials -- Part 10: Determination of extractable polymer content by potentioMetric titration 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测定方法 第10部分：电位滴定法测定可萃取聚合物量 |
China National Standards Metric |
English PDF |
| GB/T 39741.2-2021 |
Plain bearings—Tolerances—Part 2：Tolerances on geoMetrical characteristics and surface roughness for shafts and thrust collars 滑动轴承 公差 第2部分：轴和止推轴肩的几何公差及表面粗糙度 |
China National Standards Metric |
English PDF |
| GB/T 34077.2-2021 |
Management specification of electronic government common platform based on cloud computing -- Part 2: Services Metrics and valuation 基于云计算的电子政务公共平台管理规范 第2部分：服务度量计价 |
China National Standards Metric |
English PDF |
| GB/T 17901.3-2021 |
Information technology—Security techniques—Key management—Part 3: Mechanisms using asymMetric techniques 信息技术 安全技术 密钥管理 第3部分：采用非对称技术的机制 |
China National Standards Metric |
English PDF |
| GB/T 6730.25-2021 |
Iron ores—Determination of total rare earth contents—Oxalate graviMetric method 铁矿石 稀土总量的测定 草酸盐重量法 |
China National Standards Metric |
English PDF |
| GB/T 41105.3-2021 |
Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: SpectroMetric method 无损检测? X射线管电压的测量和评价 第3部分：能谱法 |
China National Standards Metric |
English PDF |
| GB/T 6445-2021 |
Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geoMetrical product specifications (GPS) and tolerance values 滚动轴承 滚轮滚针轴承 外形尺寸、产品几何技术规范（GPS）和公差值 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 22522-2021 |
Metric series wires for measuring screw threads 测量螺纹用米制系列量针 |
China National Standards Metric |
English PDF |
| GB/T 20882.4-2021 |
Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geoMetrical product specifications (GPS) and tolerance values 淀粉糖质量要求 第4部分：果葡糖浆 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 40915-2021 |
Determination of SiO2,Al2O3,Fe2O3,K2O,Na2O,CaO,MgO content of soda-lime-silica glass by X-ray fluorescence spectroMetric method X射线荧光光谱法测定钠钙硅玻璃中SiO2、Al2O3、Fe2O3、K2O、Na2O、CaO、MgO含量 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 40944-2021 |
Determination of feed particle size—GeoMetric mean diameter method 饲料粒度测定 几何平均粒度法 |
China National Standards Metric |
English PDF |
| GB/T 17903.2-2021 |
Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symMetric techniques 信息技术 安全技术 抗抵赖 第2部分：采用对称技术的机制 |
China National Standards Metric |
English PDF |
| GB/T 40815.4-2021 |
Mechanical structures for electrical and electronic equipment—Thermal managementfor cabinets in accordance with inch and Metric system—Part 4:Cooling performance tests for water supplied heat exchangers in electronic cabinets 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第4部分：电子机柜中供水热交换器的冷却性能试验 |
China National Standards Metric |
English PDF |
| GB/T 40815.2-2021 |
Mechanical structures for electrical and electronic equipment—Thermal management for cabinets in accordance with inch and Metric system—Part 2:Method for the determination of forced air cooling 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第2部分：强迫风冷的确定方法 |
China National Standards Metric |
English PDF |
| GB/T 18663.2-2021 |
Mechanical structures for electronic equipment—Tests for Metric and inch system—Part 2: Seismic tests for cabinets and racks 电子设备机械结构 公制系列和英制系列的试验 第2部分：机柜和机架的地震试验 |
China National Standards Metric |
English PDF |
| GB/T 5271.37-2021 |
Information technology—Vocabulary—Part 37:BioMetrics 信息技术 词汇 第37部分：生物特征识别 |
China National Standards Metric |
English PDF |
| GB/T 40694.1-2021 |
Information technology—Pictograms,icons and symbols for use with bioMetric systems—Part 1: General principles 信息技术 用于生物特征识别系统的图示、图标和符号 第1部分：总则 |
China National Standards Metric |
English PDF |
| GB/T 40742.5-2021 |
GeoMetrical product specifications (GPS)—Geometrical precisionverification—Part 5:Estimation of uncertainty of measurement for geometrical characteristics verification 产品几何技术规范（GPS） 几何精度的检测与验证 第5部分:几何特征检测与验证中测量不确定度的评估 |
China National Standards Metric |
English PDF |
| GB/T 19789-2021 |
Packaging material—Test method for oxygen gas permeability characteristics of plastic film and sheeting—CouloMetric sensor 包装材料 塑料薄膜和薄片氧气透过性试验 库仑计检测法 |
China National Standards Metric |
English PDF |
| GB/T 18996-2021 |
Silver jewellery alloys—Determination of silver—VoluMetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法) |
China National Standards Metric |
English PDF |
| GB/T 17832-2021 |
Silver jewellery alloys—Determination of silver—VoluMetric (potentiometric) method using potassium bromide 银合金首饰 银含量的测定 溴化钾容量法(电位滴定法) |
China National Standards Metric |
English PDF |
| GB/T 39560.702-2021 |
Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colorMetric method 电子电气产品中某些物质的测定 第7-2部分：六价铬 比色法测定聚合物和电子件中的六价铬[Cr（VI）] |
China National Standards Metric |
English PDF |
| GB/T 40810.2-2021 |
GeoMetrical product specifications (GPS)—Online measurement in process—Part 2：Online verifications of geometric features（form and position） 产品几何技术规范（GPS） 生产过程在线测量 第2部分：几何特征（形位）的在线检测与验证 |
China National Standards Metric |
English PDF |
| GB/T 40810.1-2021 |
GeoMetrical product specifications (GPS)—Online measurement in process—Part 1:Online verification of geometric features (size and surface texture) 产品几何技术规范（GPS） 生产过程在线测量 第1部分：几何特征（尺寸、表面结构）的在线检测与验证 |
China National Standards Metric |
English PDF |
| GB/T 40742.4-2021 |
GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 4：Evaluation of dimension and geometrical error，discriminant pattern of minimum zone 产品几何技术规范（GPS） 几何精度的检测与验证 第4部分：尺寸和几何误差评定、最小区域的判别模式 |
China National Standards Metric |
English PDF |
| GB/T 40742.3-2021 |
GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 3:Functional gauges and fixtures—Verification when applying maximum material requirements and minimum material requirements 产品几何技术规范（GPS） 几何精度的检测与验证 第3部分：功能量规与夹具 应用最大实体要求和最小实体要求时的检测与验证 |
China National Standards Metric |
English PDF |
| GB/T 40742.2-2021 |
GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 2：Verification of form characteristics, orientation characteristics, position characteristics, run-out characteristics and profile characteristics 产品几何技术规范（GPS） 几何精度的检测与验证 第2部分：形状、方向、位置、跳动和轮廓度特征的检测与验证 |
China National Standards Metric |
English PDF |
| GB/T 40742.1-2021 |
GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 1:Basic concept and measurement—Symbol,terminology,measuring conditions and procedures 产品几何技术规范（GPS） 几何精度的检测与验证 第1部分：基本概念和测量基础 符号、术语、测量条件和程序 |
China National Standards Metric |
English PDF |
| GB/T 40784.1-2021 |
Information technology. BioMetric profiles for interoperability and data interchange -- Part 1: Overview of biometric systems and biometric profiles 信息技术 用于互操作和数据交换的生物特征识别轮廓 第1部分：生物特征识别系统概述和生物特征识别轮廓 |
China National Standards Metric |
English PDF |
| GB/T 40660-2021 |
Information security technology—General requirements for bioMetric information protection 信息安全技术 生物特征识别信息保护基本要求 |
China National Standards Metric |
English PDF |
| GB/T 14949.6-2021 |
Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectroMetric method 锰矿石 铜、铅和锌含量的测定 火焰原子吸收光谱法 |
China National Standards Metric |
English PDF |
| GB/T 40523-2021 |
Technology specification for geoMetric calibration of 1:25000 1:50000 optical mapping satellite 1:25000 1:50000光学测绘卫星几何检校技术规范 |
China National Standards Metric |
English PDF |
| GB/T 39516-2020 |
Micro nano standard samples（geoMetric） 微纳米标准样板（几何量） |
China National Standards Metric |
English PDF |
| GB/T 39518-2020 |
GeoMetrical product specifications (GPS) — Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty for CMMs using single and multiple stylus contacting probing systems 产品几何技术规范（GPS） 使用单探针和多探针接触式探测系统坐标测量机的检测不确定度评估指南 |
China National Standards Metric |
English PDF |
| GB/T 39522-2020 |
Metric series wires for the pitch diameters of screw threads 螺纹中径米制系列量针 |
China National Standards Metric |
English PDF |
| GB/T 39138.1-2020 |
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—PotentioMetric titration using ferrous sulfate 金镍铬铁硅硼合金化学分析方法 第1部分：金含量的测定 硫酸亚铁电位滴定法 |
China National Standards Metric |
English PDF |
| 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 |
China National Standards Metric |
English PDF |
| GB/T 39193-2020 |
Ambient air—Determination of particulate matter mass concentration—GraviMetric method 环境空气 颗粒物质量浓度测定 重量法 |
China National Standards Metric |
English PDF |
| GB/T 8151.22-2020 |
Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectroMetric method 锌精矿化学分析方法 第22部分：锌、铜、铅、铁、铝、钙和镁含量的测定 波长色散X射线荧光光谱法 |
China National Standards Metric |
English PDF |
| GB/T 38935-2020 |
On-orbit radioMetric characteristics assessment for optical imaging remote sensor—VIS-SWIR 光学遥感器在轨成像辐射性能评价方法 可见光-短波红外 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 20975.25-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectroMetric method 铝及铝合金化学分析方法 第25部分：元素含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Metric |
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 Metric |
English PDF |
| GB/T 38939-2020 |
Nickel-based alloy—Determination of multi-element contents—Spark discharge atomic emission spectroMetric method(routine method) 镍基合金 多元素含量的测定 火花放电原子发射光谱分析法（常规法） |
China National Standards Metric |
English PDF |
| GB/T 38812.3-2020 |
Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectroMetric method 直接还原铁 硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Metric |
English PDF |
| GB/T 38812.2-2020 |
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titriMetric method after decomposition of sample by ferric chloride 直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards Metric |
English PDF |
| GB/T 38812.1-2020 |
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titriMetric method after decomposition of sample by ferric chloride 直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards Metric |
English PDF |
| GB/T 8454-2020 |
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titriMetric method 焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards Metric |
English PDF |
| GB/T 6730.82-2020 |
Iron ores—Determination of barium content—EDTA titriMetric method 铁矿石 钡含量的测定 EDTA滴定法 |
China National Standards Metric |
English PDF |
| GB/T 6730.81-2020 |
Iron ores—Determination of multiple trace elements—Inductively coupled plasma mass spectroMetric method 铁矿石 多种微量元素含量的测定 电感耦合等离子体质谱法 |
China National Standards Metric |
English PDF |
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