Effects of Various Bleaching Chemicals on Some Surface Properties of Ebony Species (African, Black, and Macassar)

dc.contributor.authorAyata, Umit
dc.date.accessioned2026-09-01T15:52:35Z
dc.date.available2026-09-01T15:52:35Z
dc.date.issued2026
dc.departmentBayburt Üniversitesi
dc.description.abstractThe concept of color is not always suitable for some trees according to customers' preferences. The color of the wooden material changes with processes such as heat treatment, impregnation, bleaching, etc. When the color of the wooden material changes, the surface also undergoes changes in its inherent properties. African ebony (Diospyros crassiflora Hiern.), black ebony (Diospyros ebenum), and Macassar ebony (Diospyros celebica Bakh.) wood species were treated using a single-component bleaching chemical [oxalic acid (C2H2O4)] and double component bleaching chemical [hydrogen peroxide (H2O2) + sodium hydroxide (NaOH)] using a brushing technique. Subsequently, the characteristics of the changes that occurred were determined, including color parameters and whiteness index (WI*) values. The wood species exhibited different behaviors (increases and decreases specific to each test) in response to both bleaching agents. There was an observed increase in the a*, b* and C* values, while the h degrees values decreased for all wood species. Furthermore, WI* values in directions perpendicular and parallel to the fibers were reduced in all wood species by oxalic acid treatment.
dc.identifier.doi10.15376/biores.21.3.7304-7316
dc.identifier.endpage7316
dc.identifier.issn1930-2126
dc.identifier.issue3
dc.identifier.scopus2-s2.0-105042619739
dc.identifier.scopusqualityN/A
dc.identifier.startpage7304
dc.identifier.urihttp://dx.doi.org/10.15376/biores.21.3.7304-7316
dc.identifier.urihttps://hdl.handle.net/20.500.12403/8473
dc.identifier.volume21
dc.identifier.wosWOS:001815093500026
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAyata, Umit
dc.language.isoen
dc.publisherNorth Carolina State Univ Dept Wood & Paper Sci
dc.relation.ispartofBioresources
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260820
dc.subjectWhiteness Index
dc.subjectColor
dc.subjectBleaching
dc.subjectBlack Ebony
dc.subjectAfrican Ebony
dc.subjectMacassar Ebony
dc.titleEffects of Various Bleaching Chemicals on Some Surface Properties of Ebony Species (African, Black, and Macassar)
dc.typeArticle

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