GB/T 3654.6-2008
铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法
Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
- 实施日期
- 2008-11-01
- ICS 分类
- 77.100
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。
找到 5,061 条
GB/T 3654.6-2008
Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
GB/T 3654.2-2008
Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method
GB/T 3653.4-2008
Ferroboron - Determination of aluminium content - EDTA titrimetric method
GB/T 223.9-2008
Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
GB/T 223.75-2008
Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method
GB/T 223.73-2008
Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method
GB/T 223.72-2008
Iron, steel and alloy - Determination of sulfur content - Gravimetric method
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 18876.3-2008
Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology
GB/T 21835-2008
Dimensions and masses per unit length of welded steel pipes
GB/T 17395-2008
Dimensions,shapes,masses,and tolerances of seamless steel tubes
GB/T 223.43-2008
Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method
GB/T 2101-2008
General requirement of acceptance, packaging, marking, and certification for section steel
GB/T 15575-2008
Steel products standard designation