GB/T 3058-2008 Translated English of Chinese Standard. (GBT 3058-2008, GB/T3058-2008, GBT3058-2008): Determination of arsenic in coalhttps://www.chinesestandard.net, 20.03.2015 - 18 Seiten This Standard specifies the reagents and materials, instruments and equipment, test procedures, calculation results and precision of the method for determination of arsenic in coal by arsenic-molybdenum blue spectrophotometry and hydride generation-atomic absorption spectrometry. This Standard applies to lignite, bituminous coal and anthracite. |
Häufige Begriffe und Wortgruppen
accurate to 0.01 add 5 mL air-dried coal sample ammonium molybdate-hydrazine sulfate Analytical balance Annex arsenic content arsenic in air-dried arsenic in coal arsenic in sample arsenic standard solution arsenic tester arsenic-molybdenum blue spectrophotometry atomic absorption spectrophotometer beaker burned substances Clause Number cleaning lotion coal by arsenic-molybdenum cool to room Determination of Arsenic evaporating dish fraction of arsenic GB/T generation-atomic absorption spectrometry hollow cathode lamp hydrazine Hydride generation-atomic absorption hydrochloric acid 4.2.3 iodine iodine solution lead acetate Mass fraction Mass of arsenic micrograms ug mL of arsenic mL of hydrochloric mL of sodium mL of sulfuric mL of water mL volumetric flask mol/L muffle furnace porcelain crucible Potassium iodide solution Relative density room temperature round flask sample blank solution Selenium sodium bicarbonate sodium borohydride sodium hydroxide Sodium thiosulfate Standard and ISO stannous chloride sulfuric acid 3.2.7 technical differences test procedures ug/g W(Asad water to dilute wavelength of 830