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A supplement to the research of native lignin of beech sapwood (Fagus sylvatica L.) (CROSBI ID 140032)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Antonović, Alan ; Jambreković, Vladimir ; Pervan, Stjepan ; Ištvanić, Josip ; Greger, Krešimir ; Bublić, Andrej A supplement to the research of native lignin of beech sapwood (Fagus sylvatica L.) // Wood research (Bratislava), 53 (2008), 1; 55-68

Podaci o odgovornosti

Antonović, Alan ; Jambreković, Vladimir ; Pervan, Stjepan ; Ištvanić, Josip ; Greger, Krešimir ; Bublić, Andrej

engleski

A supplement to the research of native lignin of beech sapwood (Fagus sylvatica L.)

Native or Brauns lignin (NL) isolated with ethanol extraction from beech sapwood (Fagus sylvatica L.) was studied with the purpose of researching its structure and chemical properties. Modified Brauns method was applied for native lignin isolation, which is different from original in disregarding purification processes with successive and repetitive precipitation of the dioxane solution into water and into ether. Furthermore, native lignin (NL) was studied using ultraviolet (UV) and Fourier transform infrared (FTIR) spectroscopic techniques of analysis. Availability for structural studies of GS lignins with spectral characterisation of modified NL isolation method was proved. Differences in spectroscopic behaviour between in this work obtained native lignins (NL) and milled wood lignins (MWL) from previous studies were determined using both spectroscopic technics.

beech (Fagus sylvatica L.); sapwood; native lignin (NL); UV spectrophotometry; FTIR spectrophotometry

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Podaci o izdanju

53 (1)

2008.

55-68

objavljeno

1336-4561

Povezanost rada

Drvna tehnologija

Indeksiranost