GB/T 39150-2020
回收硒原料
Recycled selenium material
- 实施日期
- 2021-09-01
- ICS 分类
- 77.150.99
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 39150-2020
Recycled selenium material
GB/T 39138.3-2020
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3:Determination of chromium, iron, silicon and boron contents—Inductively coupled plasma atomic emission spectrometry
GB/T 39149-2020
Recycled tellurium material
GB/T 39147-2020
Steel fiber for concrete
GB/T 39133-2020
Suspender of suspension bridge
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
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
GB/T 39151-2020
Nickel beryllium titanium alloy strip for high temperature elastic component
GB/T 39137-2020
Determination for the orientation of refractory metal single crystal
GB/T 39143-2020
Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry
GB/T 39145-2020
Test method for the content of surface metal elements on silicon wafers—Inductively coupled plasma mass spectrometry
GB/T 39144-2020
Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry
GB/T 34609.2-2020
Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum,palladium,iridium,ruthenium,lead,nickel,copper,iron,tin,zinc,magnesium,manganese,aluminium,calcium,sodium,potassium,chromium and silicon contents—Inductively c
GB/T 26302-2020
Seamless copper and copper alloy tube for heat pipe
GB/T 4423-2020
Copper and copper alloy cold-drawn rod and bar
GB/T 24242.4-2020
Non-alloy steel wire rod for conversion to wire —Part 4:Specific requirements for special purpose wire rod
GB/T 26300-2020
Nickel cobalt manganese composite hydroxide
GB/T 2072-2020
Nickel and nickel alloy strip and foil
GB/T 39096-2020
Petroleum and natural gas industries—Aluminium alloy pipe for use as tubing for wells
GB/T 26291-2020
Seamless copper-nickel alloys tube for ships