General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 7702.4-1997
Replace
GB/T 7702.4-1987
Scope
This standard specifies the equipment, measurement procedures and processing of the measurement results required for the determination of the packing density of coal-based granular activated carbon. This standard applies to the determination of the packing density of coal-based granular activated carbon (hereinafter referred to as activated carbon).
GB/T 7702.4-1997 history
1997GB/T 7702.4-1997 Standard test method for granular activated carbon from coal--Determination of apparent density