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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 34326-2017 |
Surface chemical analysis—Depth profiling—Methods for ion beam alignment and the associated measurement of current or current density for depth profiling in AES and XPS 表面化学分析 深度剖析 AES和XPS深度剖析时离子束对准方法及其束流或束流密度测量方法 |
China National Standards fo |
 English PDF |
| GB/T 34378-2017 |
Dynamic balance test method for motorcycle tyres 摩托车轮胎动平衡试验方法 |
China National Standards fo |
English PDF |
| GB/T 4698.27-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 27：Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第27部分：钕量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 4698.28-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 28：Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第28部分：钌量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards fo |
English PDF |
| GB/T 4698.1-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1：Determination of copper content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法 第1部分：铜量的测定 火焰原子吸收光谱法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 4157-2017 |
Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environment 金属在硫化氢环境中抗硫化物应力开裂和应力腐蚀开裂的实验室试验方法 |
China National Standards fo |
English PDF |
| GB/T 34387-2017 |
General function test method for valves used with refrigerant 制冷剂用阀门通用性能试验方法 |
China National Standards fo |
English PDF |
| GB/T 34388-2017 |
foundry machinery—Noise measurement method of sound power levels 铸造机械 噪声声功率级测量方法 |
China National Standards fo |
English PDF |
| GB/T 34391-2017 |
Reciprocating positive displacement pump for petroleum, petrochemical and natural gas industries 石油、石化和天然气工业用往复泵 |
China National Standards fo |
English PDF |
| GB/Z 34429-2017 |
Geographic information—Imagery and gridded data 地理信息 影像和格网数据 |
China National Standards fo |
English PDF |
| GB/T 34402-2017 |
Safety of motor vehicle product—Guidelines for risk assessment and risk control 汽车产品安全 风险评估与风险控制指南 |
China National Standards fo |
English PDF |
| GB/T 34654-2017 |
Rules for drafting electrotechnical terminology standards 电工术语标准编写规则 |
China National Standards fo |
English PDF |
| GB/T 3804-2017 |
High-voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV 3.6 kV～40.5 kV高压交流负荷开关 |
China National Standards fo |
English PDF |
| GB/T 6115.2-2017 |
Series capacitors for power systems—Part 2: Protective equipment for series capacitor banks 电力系统用串联电容器 第2部分：串联电容器组用保护设备 |
China National Standards fo |
English PDF |
| GB/T 29024.4-2017 |
Determination of particle size distribution－Single particle light interaction methods－Part 4: Light scattering airborne particle counter for clean spaces 粒度分析 单颗粒的光学测量方法 第4部分：洁净间光散射尘埃粒子计数器 |
China National Standards fo |
English PDF |
| GB/T 34362-2017 |
Non-destructive testing—Guide for eddy current testing using conformable sensor arrays 无损检测 适形阵列涡流检测导则 |
China National Standards fo |
English PDF |
| GB/T 22511-2017 |
Aluminum bottles packaging for chemical products 化工产品包装用铝瓶 |
China National Standards fo |
English PDF |
| GB/T 34363-2017 |
Non-destructive testing—Test method for fabricating and checking aluminum alloy ultrasonic standard reference blocks 无损检测 铝合金超声标准试块制作和校验方法 |
China National Standards fo |
English PDF |
| GB/T 34428.3-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 3：LED changeable message sign 高速公路监控设施通信规程 第3部分：LED可变信息标志 |
China National Standards fo |
English PDF |
| GB/T 34428.1-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 1: Universal rules 高速公路监控设施通信规程 第1部分：通用规程 |
China National Standards fo |
English PDF |
| GB/T 20626.1-2017 |
Specific environmental condition—Electric and electronic products for plateau—Part 1:General technical requirements 特殊环境条件 高原电工电子产品 第1部分：通用技术要求 |
China National Standards fo |
English PDF |
| GB/T 14048.13-2017 |
Low-voltage switchgear and controlgear—Part 5-3: Control circuit devices and switching elements—Requirements for proximity devices with defined behaviour under fault conditions (PDDB) 低压开关设备和控制设备 第5-3部分：控制电路电器和开关元件 在故障条件下具有确定功能的接近开关（PDDB）的要求 |
China National Standards fo |
English PDF |
| GB/T 18211-2017 |
General requirements for safety of electrical micro-machines 微电机安全通用要求 |
China National Standards fo |
English PDF |
| GB/T 1303.5-2017 |
Industrial rigid laminated sheets based on thermosetting resins for electrical purposes—Part 5: Requirements for rigid laminated sheets based on melamine resins 电气用热固性树脂工业硬质层压板 第5部分：三聚氰胺树脂硬质层压板 |
China National Standards fo |
English PDF |
| GB/T 34428.4-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 4：Weather detector 高速公路监控设施通信规程 第4部分: 气象检测器 |
China National Standards fo |
English PDF |
| GB/T 34428.5-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 5：Tunnel environment detector 高速公路监控设施通信规程 第5部分: 隧道环境检测器 |
China National Standards fo |
English PDF |
| GB/T 34428.2-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 2：Vehicle detector 高速公路监控设施通信规程 第2部分: 车辆检测器 |
China National Standards fo |
English PDF |
| GB/T 34428.6-2017 |
Communication rules of the devices of surveillance and control system for expressway—Part 6：Wall map 高速公路监控设施通信规程 第6部分: 地图板 |
China National Standards fo |
English PDF |
| GB/T 34368-2017 |
Technical requirement for major maintenance of passenger ropeway 客运索道重大修理的技术要求 |
China National Standards fo |
English PDF |
| GB/T 5019.12-2017 |
Specification for insulating materials based on mica— Part 12：Glass fabric backup epoxy dry mica tape with high porosity 以云母为基的绝缘材料 第12部分：高透气性玻璃布补强环氧少胶云母带 |
China National Standards fo |
English PDF |
| GB/T 34570.1-2017 |
Safety for rechargeable battery packs and chargers for electric tools—Part 1：Safety for rechargeable battery packs 电动工具用可充电电池包和充电器的安全 第1部分：电池包的安全 |
China National Standards fo |
English PDF |
| GB/T 34569-2017 |
Simulation training system for live working 带电作业仿真训练系统 |
China National Standards fo |
English PDF |
| GB/T 17799.1-2017 |
Electromagnetic compatibility—Generic standards—Immunity for residential, commercial and light-industrial environments 电磁兼容 通用标准 居住、商业和轻工业环境中的抗扰度 |
China National Standards fo |
English PDF |
| GB/T 34369-2017 |
General technical conditions for electrical control device of passenger ropeway 客运索道电气装置通用技术条件 |
China National Standards fo |
English PDF |
| GB/T 34371-2017 |
Risk assessment for amusement ride—General principles 游乐设施风险评价 总则 |
China National Standards fo |
English PDF |
| GB/T 34570.2-2017 |
Safety for rechargeable battery packs and chargers for electric tools—Part 2: Safety for chargers 电动工具用可充电电池包和充电器的安全 第2部分：充电器的安全 |
China National Standards fo |
English PDF |
| GB/T 34577-2017 |
Technical guide for by-pass working on distribution line 配电线路旁路作业技术导则 |
China National Standards fo |
English PDF |
| GB/T 34578-2017 |
Technical requirements for operation,maintenance and test of instrumentation and actuating equipment in thermal power plant 火力发电厂热工仪表与执行装置运行维护与试验技术规程 |
China National Standards fo |
English PDF |
| GB/T 34572-2017 |
Railway applications—Current collection system—Pantographs,testing methods for carbon contact strips 轨道交通 受流系统 受电弓碳滑板试验方法 |
China National Standards fo |
English PDF |
| GB/T 2099.9-2017 |
Plugs and socket-outlets for household and similar purposes—Part 2-9: Particular requirements for socket-outlets for information 家用和类似用途插头插座 第2-9部分：信息插座的特殊要求 |
China National Standards fo |
English PDF |
| GB/T 14745-2017 |
Test method of creep properties for package cushioning material 包装用缓冲材料蠕变特性试验方法 |
China National Standards fo |
English PDF |
| GB/T 34580-2017 |
Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membrane patch colorimetry 运行涡轮机油中不溶有色物质的测定方法 膜片比色法 |
China National Standards fo |
English PDF |
| GB/T 34579-2017 |
Methods of measurement and limits for radiated disturbances from plasma display panel equipment in the frequency range 150kHz to 30MHz 等离子显示设备150kHz～30MHz辐射骚扰限值和测量方法 |
China National Standards fo |
English PDF |
| GB/T 34582-2017 |
Single cell and stack performance test methods for solid oxide fuel cells (SOFC) 固体氧化物燃料电池单电池和电池堆性能试验方法 |
China National Standards fo |
English PDF |
| GB/T 34581-2017 |
General technical requirements for photovoltaic system DC circuit breakers 光伏系统用直流断路器通用技术要求 |
China National Standards fo |
English PDF |
| GB/T 16563-2017 |
Series 1 freight containers—Specification and testing—Tank containers for liquids, gases and pressurized dry bulk 系列1集装箱 技术要求和试验方法 液体、气体及加压干散货罐式集装箱 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| 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 fo |
English PDF |
| 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 fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 13747.21-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 21：Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method 锆及锆合金化学分析方法 第21部分：氢量的测定 惰气熔融红外吸收法/热导法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 34571-2017 |
Railway applications—Rules for installation of cabling on rolling stock 轨道交通 机车车辆布线规则 |
China National Standards fo |
English PDF |
| GB/T 34575-2017 |
Auxiliary convertor for electric locomotive 电力机车辅助变流器 |
China National Standards fo |
English PDF |
| GB/T 15022.8-2017 |
Resin based reactive compounds used for electrical insulation— Part 8：Epoxy modified unsaturated polyester vacuum pressure impregnation (VPI) resin 电气绝缘用树脂基活性复合物 第8部分：环氧改性不饱和聚酯真空压力浸渍(VPI)树脂 |
China National Standards fo |
English PDF |
| GB/T 34574-2017 |
Limits and measurements of electromagnetic emission for high-speed train 高速列车电磁发射限值与测量 |
China National Standards fo |
English PDF |
| GB/T 311.3-2017 |
Insulation co-ordination—Part 3: Procedures for high-voltage direct current (HVDC) converter stations 绝缘配合 第3部分：高压直流换流站绝缘配合程序 |
China National Standards fo |
English PDF |
| GB/T 34576-2017 |
Specifications for steam turbine used in gas-steam combined-cycle unit 燃气-蒸汽联合循环用汽轮机规范 |
China National Standards fo |
English PDF |
| GB/T 34407-2017 |
Test method for the wall thickness of plastic pipes by ultrasonic 塑料管道壁厚超声波检测方法 |
China National Standards fo |
English PDF |
| GB/T 21183-2017 |
Zirconium and zirconium alloy sheet, strip and foil 锆及锆合金板、带、箔材 |
China National Standards fo |
English PDF |
| GB/T 1819.17-2017 |
Methods for chemical analysis of tin concentrates—Part 17：Determination of mercury content—Atomic fluorescence spectrometric method 锡精矿化学分析方法 第17部分：汞量的测定 原子荧光光谱法 |
China National Standards fo |
English PDF |
| GB/T 1819.15-2017 |
Methods for chemical analysis of tin concentrates—Part 15：Determination of fluorine content—The ion-selective electrode method 锡精矿化学分析方法 第15部分：氟量的测定 离子选择电极法 |
China National Standards fo |
English PDF |
| GB/T 6883-2017 |
Cemented carbide sintering body for wire, bar or tube drawing dies—Dimensions 线、棒、管拉模用硬质合金烧结品 尺寸 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 34642-2017 |
Continuous casting machine for aluminum ingots 铝锭连续铸造机组 |
China National Standards fo |
English PDF |
| GB/T 1819.7-2017 |
Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method 锡精矿化学分析方法 第7部分：铋量的测定 火焰原子吸收光谱法 |
China National Standards fo |
English PDF |
| GB/T 34647-2017 |
Temper designation system for titanium and titanium alloy 钛及钛合金产品状态代号 |
China National Standards fo |
English PDF |
| GB/T 3250-2017 |
Shearing and riveting test method of wires and rods for the aluminum and aluminum-alloy rivets 铝及铝合金铆钉用线材和棒材剪切与铆接试验方法 |
China National Standards fo |
English PDF |
| GB/T 4698.8-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 8：Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第8部分：铝量的测定 碱分离-EDTA络合滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards fo |
English PDF |
| GB/T 13747.13-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography 锆及锆合金化学分析方法 第13部分：铅量的测定 极谱法 |
China National Standards fo |
English PDF |
| GB/T 14449-2017 |
Test method for aerosol products 气雾剂产品测试方法 |
China National Standards fo |
English PDF |
| GB/T 32076.8-2017 |
High-strength structural bolting assemblies for preloading—Part 8: Torshear type bolt with cup head,and nut assemblies 预载荷高强度栓接结构连接副 第8部分：扭剪型圆头螺栓和螺母连接副 |
China National Standards fo |
English PDF |
| GB/T 1819.13-2017 |
Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method 锡精矿化学分析方法 第13部分：氧化镁、氧化钙量的测定 火焰原子吸收光谱法 |
China National Standards fo |
English PDF |
| GB/T 34641-2017 |
Non-destructive testing—Test method for determining image quality in direct thermal neutron radiographic examination 无损检测 直接热中子照相检测的像质测定方法 |
China National Standards fo |
English PDF |
| GB/T 34644-2017 |
Eddy current testing method for zirconium and zirconium alloy tube 锆及锆合金管材涡流检测方法 |
China National Standards fo |
English PDF |
| GB/T 34638-2017 |
Non-destructive testing—Test methods for ultrasonic leak detection 无损检测 超声泄漏检测方法 |
China National Standards fo |
English PDF |
| GB/T 34648-2017 |
Metallic and other inorganic coatings—Autocatalytic nickel over autocatalytic copper for electromagnetic shielding 金属及其他无机覆盖层 电磁屏蔽用化学镀铜上化学镀镍 |
China National Standards fo |
English PDF |
| GB/T 1819.8-2017 |
Methods for chemical analysis of tin concentrates—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method 锡精矿化学分析方法 第8部分：锌量的测定 火焰原子吸收光谱法 |
China National Standards fo |
English PDF |
| GB/T 4698.18-2017 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18：Determination of tin content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法 第18部分：锡量的测定 火焰原子吸收光谱法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 1819.10-2017 |
Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method 锡精矿化学分析方法 第10部分：硫量的测定 高频感应炉燃烧红外吸收法和碘酸钾滴定法 |
China National Standards fo |
English PDF |
| GB/T 4698.9-2017 |
Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9：Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第9部分：锡量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards fo |
English PDF |
| GB/T 18690.3-2017 |
Agricultural irrigation equipment—Filters for microirrigation—Part 3:Automatic flushing strainer-type filters and disc filters 农业灌溉设备 微灌用过滤器 第3部分：自动冲洗网式过滤器和叠片式过滤器 |
China National Standards fo |
English PDF |
| GB/T 34618-2017 |
Temperature detection method for judging internal leakage faults of working valves in steam drainage steam 蒸汽疏水系统在线阀门内漏温度检测方法 |
China National Standards fo |
English PDF |
| GB/T 34619-2017 |
Test method for volumetric flow of positive displacement refrigerant compressors 容积式制冷剂压缩机容积流量试验方法 |
China National Standards fo |
English PDF |
| GB/T 18690.2-2017 |
Agricultural irrigation equipment—Filters for microirrigation—Part 2: Strainer-type filters and disc filters 农业灌溉设备 微灌用过滤器 第2部分：网式过滤器和叠片式过滤器 |
China National Standards fo |
English PDF |
| GB/T 30475.4-2017 |
Filters for compressed air—Test methods—Part 4: Water 压缩空气过滤器 试验方法 第4部分：水 |
China National Standards fo |
English PDF |
| GB/T 34637-2017 |
Non-destructive testing—Test methods for bubble leak detection 无损检测 气泡泄漏检测方法 |
China National Standards fo |
English PDF |
| GB/T 34445-2017 |
Test method of hot-tack property for heat sealing surfaces of thermoplastic polymer and thermoplastic composite material 热塑性塑料及其复合材料热封面热粘性能测定 |
China National Standards fo |
English PDF |
| GB/T 3325-2017 |
General technical requirements for metal furniture 金属家具通用技术条件 |
China National Standards fo |
English PDF |
| GB/T 19362.2-2017 |
Test conditions for bridge-type milling machines—Testing of the accuracy—Part 2: Travelling bridge (gantry-type) machines 龙门铣床检验条件 精度检验 第2部分：龙门移动式铣床 |
China National Standards fo |
English PDF |
| GB/T 19498-2017 |
Protective structures on agricultural and forestry tractors—Static testing method and accepting condition 农林拖拉机防护装置 静态试验方法和验收技术条件 |
China National Standards fo |
English PDF |
| GB/T 23592-2017 |
Catalyst for motorcycle exhaust purification 摩托车排气净化催化剂 |
China National Standards fo |
English PDF |
| GB/T 13747.14-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 14：Determination of uranium content—Polarography 锆及锆合金化学分析方法 第14部分：铀量的测定 极谱法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
| GB/T 13747.16-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 16：Determination of chloric content—Silver chloride nephelometry and ion selective electrode method 锆及锆合金化学分析方法 第16部分：氯量的测定 氯化银浊度法和离子选择性电极法 |
China National Standards fo |
English PDF |
| 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 fo |
English PDF |
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