Petroleum products and used oils. Determination of polychlorinated biphenyls (PCB) and related products. Part 3. Determination and quantification of polychlorinated terphenyls (PCT) and polychlorinated benzyl toluenes (PCBT) content by gas chromatography (GC) using an electron capture detector (ECD)
State system for ensuring the uniformity of measurements. Dispersion content gas matrices. Determination of particle size by diffusion spectral analysis
