GB/T 12690.19-2018
稀土金属及其氧化物中非稀土杂质化学分析方法 第19部分:砷、汞量的测定
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
- 实施日期
- 2019-06-01
- ICS 分类
- 77.120.99
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 12690.19-2018
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
GB/T 12183-2018
General specification for airbrone transponder of air traffic control
GB/T 12182-2018
General specification for secondary surveillance radar of air traffic control
GB/T 11869-2018
Shipbuilding and marine structures—Deck machinery—Towing winches for deep sea use
GB/T 1182-2018
Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out
GB/T 11313.43-2018
Radio-frequency connectors—Part 43:Sectional specification for RBMA series blind mating RF coaxial connectors
GB/T 11313.202-2018
Radio-frequency connectors—Part 202: Electrical test methods—Insertion loss
GB/T 11313.201-2018
Radio-frequency connectors—Part 201:Electrical test methods—Reflection coefficient and voltage standing wave ratio
GB/T 11313.13-2018
Radio-frequency connectors—Part 13:Sectional specification for type 1.6/5.6 and 1.8/5.6 RF coaxial connectors
GB/T 11313.11-2018
Radio-frequency connectors—Part 11:Sectional specification for RF coaxial connectors with inner diameter of outer conductor 9.5mm (0.374in) with screw coupling with characteristic impedance 50Ω (type 4.1/9.5)
GB/T 11107-2018
Metallic and its compound powder—Determination of specific surface and particle size—Air permeating method
GB/T 11060.3-2018
Natural gas─Determination of sulfur compound─Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
GB/T 1028-2018
Industrial surplus energy resources evaluation methods
GB 5135.9-2018
Automatic sprinkler system—Part 9:Early suppression fast response (ESFR) sprinklers
GB 36726-2018
Mechanical equipment on stages—Fire curtain
GB 36660-2018
Low-pressure carbon dioxide inerting protection equipment
GB 36581-2018
Safety performance requirements and test methods of automobile wheels
GB 3445-2018
Indoor fire hydrant
GB/T 30416-2013
GB/T 6877-2008