KS M ISO 20203-2021 Carbonaceous materials used in the production of aluminium－Calcined coke－Determination of crystallite size(Lc) of calcined petroleum coke by X-ray diffraction
2021KS M ISO 20203-2021 Carbonaceous materials used in the production of aluminium－Calcined coke－Determination of crystallite size(Lc) of calcined petroleum coke by X-ray diffraction
2016KS M ISO 20203:2016 Carbonaceous materials used in the production of aluminium－Calcined coke－Determination of crystallite size(Lc) of calcined petroleum coke by X-ray diffraction
2011KS M ISO 20203:2011 Carbonaceous materials used in the production of aluminium-Calcined coke-Determination of crystallite size(Lc) of calcined petroleum coke by X-ray diffraction