GB/T 223.70-2008
钢铁及合金 铁含量的测定 邻二氮杂菲分光光度法
Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method
- 实施日期
- 2008-11-01
- ICS 分类
- 77.080.01
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 223.70-2008
Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method
GB/T 223.69-2008
Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace
GB/T 223.55-2008
Iron, steel and alloy - Determination of tellurium content - Oscillo-polarographic method
GB/T 223.29-2008
Iron, steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method
GB/T 223.26-2008
Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
GB/T 223.23-2008
Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 21834-2008
Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method
GB/T 223.43-2008
Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method
GB/T 223.82-2007
Steel and iron - Determination of hydrogen content - Inert gas impulse fusion heat conductivity method
GB/T 223.81-2007
Iron, steel and alloy - Determination of total aluminum and total boron contents - Microwave digestion - inductively coupled plasma mass spectrometric method
GB/T 223.80-2007
Iron,steel and alloy - Determination of trace bismuth and arsenic contents - Hydride generation - atomic fluorescence spectrometric method
GB/T 223.79-2007
Iron and steel - Determination of multi - element contents - X - ray fluorescence spectrometry (Routine method)
GB/T 20932-2007
Pig-irons - Definition and classification
GB/T 20126-2006
Unalloyed steel -- Determination of low carbon content -- Part 2: Infrared absorption method after combustion in an induction furnace (with preheating)
GB/T 20125-2006
Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
GB/T 20124-2006
Steel and iron -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (Routine method)
GB/T 20123-2006
Steel and iron -- Determination of total carbon and sulfur content -- Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 11261-2006
Steel and iron Determination of oxygen content The pulse heating inert gas fusion-infra-red absorption method
GB/T 20066-2006
Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
GB/T 222-2006
Permissible tolerances for chemical composition of steel products