General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 18711-2002
Scope
This standard specifies the procedures for sample collection, moisture determination, sample treatment, particle size composition determination, magnetic content determination, true-to-density determination, total iron content determination, and iron (II) content determination for magnetite powder tests for coal preparation. method. This standard applies to all coal preparation plants.
GB/T 18711-2002 history
2002GB/T 18711-2002 Magnetite for use in coal preparation--Test methods