During the long history of research on methane and coal dust explosions in the coal mining countries, test procedures and equipment for evaluating the explosibility of dusts were developed that can be regarded as "standard" today.
Reference:
Du Plessis, J. 1965. Laboratory procedures and equipment for testing the explosibility of coal dusts. http://hdl.handle.net/10204/12868 .
Du Plessis, J. (1965). Laboratory procedures and equipment for testing the explosibility of coal dusts Retrieved from http://hdl.handle.net/10204/12868
Du Plessis, JAK Laboratory procedures and equipment for testing the explosibility of coal dusts. 1965. http://hdl.handle.net/10204/12868
Du Plessis J. Laboratory procedures and equipment for testing the explosibility of coal dusts. 1965 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12868