T/YCXGH 003-2023 Determination of Polycyclic Aromatic Hydrocarbons in particle-phase of incense after burning Gas chromatography mass spectrometer method (English Version)
2023T/YCXGH 003-2023 Determination of Polycyclic Aromatic Hydrocarbons in particle-phase of incense after burning Gas chromatography mass spectrometer method