vernis (1) spectacle (1) musée (1) méthodologie (1) séparation des masses (physique) (1) in situ (1) décomposition (1) chimie (1) abords (agglomération) (1) calcul (1) physicochimie (1) Chemical warfare (1) Instruments (1) Methodology (1) Methods (1) Spectrum analysis (1) Reflectance (1) Formulas, recipes, etc (1) Petroleum (1) Oils and fats (1) Mixtures (1) Methodology (1) Materials (1) Mass spectrometry (1) Mass (1) Linseed oil (1) Generosity (1) Eighteenth century (1) Chemistry, Physical and theoretical (1) Chemistry, Analytic--Quantitative (1)