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Statements

Subject Item
n2:RIV%2F62156489%3A43410%2F13%3A00210328%21RIV14-MSM-43410___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
This study investigates the relationships between total extractive content and wood color as well as discoloration caused by artificial sunlight, of the tropical species Jatoba (Hymenaea courbaril L.) and African Padauk (Pterocarpus soyauxii Taub). The surface color was measured before and after light exposure by a spectrophotometer (CIEL*a*b*). Wood powder samples were extracted with acetone/methanol/distilled water mixture to determine the total extractives content. Color parameters of wood were related to the amount of extractives. The influences on the individual parameters L*, a* or b* were found to be species dependent. The strongest influence was observed for lightness L*. The other color parameters measured after ultraviolet- light exposure were also related to the extractives contents, or to generated photodegradation products. This study investigates the relationships between total extractive content and wood color as well as discoloration caused by artificial sunlight, of the tropical species Jatoba (Hymenaea courbaril L.) and African Padauk (Pterocarpus soyauxii Taub). The surface color was measured before and after light exposure by a spectrophotometer (CIEL*a*b*). Wood powder samples were extracted with acetone/methanol/distilled water mixture to determine the total extractives content. Color parameters of wood were related to the amount of extractives. The influences on the individual parameters L*, a* or b* were found to be species dependent. The strongest influence was observed for lightness L*. The other color parameters measured after ultraviolet- light exposure were also related to the extractives contents, or to generated photodegradation products.
dcterms:title
Color and light-induced discoloration of wood from the tropical species Jatoba and African Padauk Color and light-induced discoloration of wood from the tropical species Jatoba and African Padauk
skos:prefLabel
Color and light-induced discoloration of wood from the tropical species Jatoba and African Padauk Color and light-induced discoloration of wood from the tropical species Jatoba and African Padauk
skos:notation
RIV/62156489:43410/13:00210328!RIV14-MSM-43410___
n5:predkladatel
n11:orjk%3A43410
n3:aktivita
n6:P
n3:aktivity
P(EE2.3.20.0269)
n3:cisloPeriodika
4
n3:dodaniDat
n4:2014
n3:domaciTvurceVysledku
n18:6303846
n3:druhVysledku
n19:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
65944
n3:idVysledku
RIV/62156489:43410/13:00210328
n3:jazykVysledku
n17:eng
n3:klicovaSlova
extractives; color; photodegradation; African Padauk; Jatoba
n3:klicoveSlovo
n7:African%20Padauk n7:photodegradation n7:color n7:Jatoba n7:extractives
n3:kodStatuVydavatele
RO - Rumunsko
n3:kontrolniKodProRIV
[88442A5205E5]
n3:nazevZdroje
Pro Ligno
n3:obor
n8:GK
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n14:EE2.3.20.0269
n3:rokUplatneniVysledku
n4:2013
n3:svazekPeriodika
9
n3:tvurceVysledku
Baar, Jan Wimmer, Rupert DAmico, Stefano
s:issn
1841-4737
s:numberOfPages
6
n16:organizacniJednotka
43410