GB/T 211-2007 Translated English of Chinese Standard. (GBT 211-2007, GB/T211-2007, GBT211-2007): Determination of total moisture in coalhttps://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. |
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according to Formula according to GB/T accurate to 0.001g accurate to 0.1g air drying oven allochroic silica gel amount of coal analysis test sample anhydrous calcium chloride blind coal Calculate the total calculated according coal for 3h Conduct drying inspections constant mass continuous inspections Crush the sample determination of total determined according determining total moisture drying in air drying under nitrogen eqv ISO free moisture Inherent moisture Method inspections is less lignite and blind loss in mass mass fraction mass increases mass is reached mass loss mass of weighed mass reduction Method A two-stage method of drying Minh moisture in coal moisture with particle nitrogen-flushed oven 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