GB/T 211-2007 Translated English of Chinese Standard. (GBT 211-2007, GB/T211-2007, GBT211-2007): Determination of total moisture in coal
https://www.chinesestandard.net, 2015. 10. 29. - 13페이지
This Standard specifies the reagent, apparatus, procedures, result calculation and precision for the determination of total moisture in coal.
according to Formula accurate to 0.1g air drying oven allochroic silica gel amount of coal analysis test sample anhydrous calcium chloride applicable to bitumite blind coal Calculate the total calculated according Conduct drying inspections constant mass contains allochroic silica continuous inspections Crush the sample determination of total determined according determining total moisture Dry the bitumite drying by microwave drying in air drying under nitrogen eqv ISO free moisture inspections is less loss in mass mass fraction mass increases mass is reached mass loss mass of weighed mass reduction method of drying Minh moisture in coal Moisture loss correction moisture with particle nitrogen-flushed oven oven is replaced particle size smaller pre-dried and weighed previous edition previous inspection reference for calculation Result calculation sample for determining sample into particle sample is dry sample with particle smaller than 13mm spread evenly tray two-stage method Weigh and take weighed coal sample weighing bottle