GB/T 7701.2-2008: Translated English of Chinese Standard. (GBT 7701.2-2008, GB/T7701.2-2008, GBT7701.2-2008): Granular activated carbon from coal - Granular activated carbon from coal for water treatmentThis part specifies the requirements, inspection rules, test methods, mark, package, transportation, and storage etc. for granular activated carbon from coal for water treatment. This part is applicable to dechlorination, oil removal and purification for industrial water; further purification treatment for drinking water and sewage; and granular activated carbon from coal for water treatment when water source are outbreak-polluted. |
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254 nm wavelength 3-pass pipe absorption shall accord absorption The measurement accord with GB/T accord with rules accurate to 0.000 acid solution concentration acid solution goes Analytical balance arithmetic mean buffer solution calcium chloride carbon from coal carbon from coal—Determination coal for water coal-Determination constant temperature drying Cool to room cuvette to measure dryer electrothermal constant temperature evaporating pan Ex-factory inspection grade III gram g granular activated carbon humic acid absorption humic acid solution liter mg/L measurement of humic measurement of tannin measurement of water method for granular Methylene blue absorption mL volumetric flask mL/min organic glass column Phenol absorption Place in electrothermal pore volume position of 120 reference fluid reflux condensing scale and mix Sodium borate solution as reference specific surface area Standard test method tannin acid absorption tannin acid solution temperature drying box tubualted bottle unit is gram unit is milligram water soluble substance water to scale water treatment