GB/T 6150.13-2022钨精矿化学分析方法第13部分:砷含量的测定原子荧光光谱法和DDTC-Ag分光光度法国家标准
英文:Methods for chemical analysis of tungsten concentrates—Part 13:Determination of arsenic content—Atomic fluorescence s...
英文:Methods for chemical analysis of tungsten concentrates—Part 13:Determination of arsenic content—Atomic fluorescence s...
英文:Scraps of cemented carbide GB/T 21182-2022介绍: 国家标准《硬质合金废料》由TC243(全国有色金属标准化技术委员会)归口,TC243SC4(全国有色金属标准化技术委员会粉末冶金分会)执行,主...
英文:Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimet...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 10:Determination of tungsten content—Thiocyanate...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 9:Determination of magnesium content—Flame atomi...
英文:Methods for chemical analysis of tungsten concentrates—Part 17:Determination of antimony content—Atomic fluorescence ...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N...
英文:Specification for niobium-titanium alloy billets and bars for superconducting applications GB/T 25080-2022介绍: 国家标准《超导...
英文:Magnesium alloys ingots for castings GB/T 19078-2016介绍: 国家标准《铸造镁合金锭》由TC243(全国有色金属标准化技术委员会)归口,TC243SC1(全国有色金属标准化技术委员会轻...
英文:Gold lump ores一Increment sampling and sample preparation GB/T 32841-2016介绍: 国家标准《金矿石取样制样方法》由TC379(全国黄金标准化技术委员会)归口,主管部...