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Items for "photodegradation"

Violet light causes photodegradation of wood beyond the zone affected by ultraviolet radiation

The limited penetration of wood by light explains why the weathering of wood exposed outdoors is a surface phenomenon...

Keywords: depth profile, FT-IR, photodegradation, sugi wood, ultraviolet radiation, violet light, visible light, wavelength

01/2007 | Holzforschung, Walter de Gruyter
UV resonance Raman spectroscopic study of photodegradation of hardwood and softwood lignins by UV laser

The effect of laser irradiation (Ar+ ion laser, 244 nm) on photodegradation of lignin in silver birch and rubberwood as hardwoods and spruce and chir pine as softwoods has been investigated by UV resonance Raman spectroscopy (UVRRS)...

Keywords: cellulose, lignin, photodegradation, quinone, resonance Raman spectroscopy, UV laser, UV resonance Raman spectroscopy (UVRRS), wood

03/2008 | Holzforschung, Walter de Gruyter