GB/T 1819.14-2017锡精矿化学分析方法第14部分:铜量的测定火焰原子吸收光谱法国家标准
英文:Methods for chemical analysis of tin concentrates—Part 14:Determination of copper content—Flame atomic absorption spe...
英文:Methods for chemical analysis of tin concentrates—Part 14:Determination of copper content—Flame atomic absorption spe...
英文:Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate s...
英文:Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybden...
英文:Iron ores—Determination of potassium content—Flame atomic absorption spectrometric method GB/T 6730.49-2017介绍: 国家标准《铁...
英文:Iron ores—Low-temperature disintegration test—Method using cold tumbling after static reduction GB/T 13242-2017介绍: 国家...
英文:Iron ores—Determination of sodium content—Flame atomic absorption spectrometric method GB/T 6730.75-2017介绍: 国家标准《铁矿石 ...
英文:Iron ores—Determination of potassium, sodium, vanadium, copper, zinc, lead, chromium, nickel, cobalt elements—Inducti...
英文:Iron ores—Determination of calcium content—Flame atomic absorption spectrometric method GB/T 6730.14-2017介绍: 国家标准《铁矿石...
英文:Iron ores for blast furnace and direct reduction feedstocks-Determination of bulk density GB/T 34568-2017介绍: 国家标准《高炉和...
英文:Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods...