Roffael, E.E.RoffaelMiertzsch, H.H.Miertzsch2022-03-082022-03-081992https://publica.fraunhofer.de/handle/publica/302708A process is presented for the determination of biologically active substances emitted from wooden materials, in particular chipboard, plywood and fibreboard by means of the following steps: a) arrangement of the wooden substance under investigation in a closed container above the surface of an absorption liquid located in said containerde608674Verfahren zur Bestimmung der Abgabe von biologisch aktiven Stoffen aus HolzwerkstoffenProcess for determining the discharge of biologically active substances from wooden materialspatent1991-4119079