73.040 Coals / Угли, 75.160.10 Solid. Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. / Твердое топливо. Включая угольные продукты, кокс, торф, древесину и т.д.
Ключевые слова:
Chemical analysis and testing, Solid fuels, Test equipment, Combustion test methods, Ash determination, Determination of content, Coal, Coal products, Coke, Gravimetric analysis