Standard Specification for Limestone for Dusting of Coal Mines
NORMA vydaná dňa 1.7.2022
Označenie normy: ASTM C737-22
Dátum vydania normy: 1.7.2022
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers limestone suitable for use as dust in coal mines to prevent coal dust explosions. The limestone shall conform to the chemical composition requirements prescribed. The chemical analysis and the particle size analysis of the limestone shall be conducted.
Keywords:
coal mines, combustible matter, dolomitic limestone, high calcium limestone, limestone, limestone dust, loss on ignition (LOI), low temperature ash (LTA), mine explosions, moisture content, silica content ,, ICS Number Code 73.020 (Mining and quarrying)