Methods for sampling and testing aggregates, Method 66: Methylene blue adsorption value of fine aggregate and mineral fillers
骨料取样和试验方法 方法66:细骨料和矿物填料的亚甲基蓝吸附值
Specifies method for determining methylene blue adsorption value (MBV) for natural sands, manufactured sands, crusher dusts and mineral fillers used in asphaltApplies to aggregate of less than 5 mm nominal size and may be used for both natural and manufactured sands. Tests the passing 75 m fraction of a laboratory dried, unwashed fine aggregate sample. Test may be applied to fillers from baghouse fines or from ground limestone products or to mixtures of these two materials