
Coal tar—Content determination of saturates, aromatics, heteroatomics, phenols, resins and asphaltene—Solvent extraction-column chromatography separation gravimetric method
NORMA vydaná dňa 31.3.2026
Designation standards: GB/T 47272-2026
Note: K dispozici od: říjen 2026
Publication date standards: 31.3.2026
Country: Chinese technical standard
Kategória: Technické normy GB