METHOD OF DETERMINING CONTENT OF FREE FURFUROL IN PLYWOOD SIZED WITH FURAN RESIN

FIELD: woodworking industry. ^ SUBSTANCE: invention relates to a method for evaluation of toxicity sized wood products (plywood and wood chipboards) manufactured using furan resin. Method is accomplished by boiling plywood in ethyl alcohol for 3 h to promote free furfurol contained in plywood to pas...

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Bibliographische Detailangaben
Hauptverfasser:	TIKHOMIROV L.A, UGRJUMOV S.A, GLUSHCHENKO A.I, TITUNIN A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY ORGANIC CHEMISTRY PHYSICS TESTING
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Beschreibung
Zusammenfassung:	FIELD: woodworking industry. ^ SUBSTANCE: invention relates to a method for evaluation of toxicity sized wood products (plywood and wood chipboards) manufactured using furan resin. Method is accomplished by boiling plywood in ethyl alcohol for 3 h to promote free furfurol contained in plywood to pass into solution, wherein it is them measured by photocolorimeteric technique. ^ EFFECT: enabled evaluation of plywood toxicity. ^ 1 dwg, 2 tbl