Investigation of Chemical and Morphological Properties of the Sapwood and Heartwoods of Stone Pine and Black Locust

Year 2021, Volume: 21 Issue: 2, 183 - 195, 30.09.2021

Saniye Erkan İbrahim Bektaş

https://doi.org/10.17475/kastorman.1000472

Abstract

Aim of study: The chemical and morphological properties of sapwood and heartwood of stone pine and black locust were determined.
Material and methods: Preparation of samples of stone pine and black locust sapwood and heartwood was carried out by adhering to the TAPPI Standard Methods. The chemical properties holocellulose, cellulose, lignin, alpha cellulose, ash, ether, cold and hot water and 1% NaOH solubility percentages were analysed. In order to determine the morphological properties of the woods, the fiber size of the maserated wood samples were measured under a screened visopane microscope. Using the data obtained from fiber sizes, felting ratio, stiffness coefficient, runkel ratio, elasticity classification, Mühlstep coefficient and F factor values were calculated.
Main results: From the chemical analysis and morphological measurement results, significant differences were found according to the independent T Test statistical analysis between sapwoods and heartwoods. In addition, the solubility values of heartwoods were found to be lower than that of sapwoods, the chemical and morphological properties of all wood samples coincide with those specified in the literature.
Highlights: To investigate the suitability of Stone Pine and Black Locust to pulp and paper production.

Keywords

Sapwood and Heartwood, Stone Pine, Black Locust, Chemical and Morphological properties, Paper

Fıstıkçamı ve Yalancı Akasya Öz ve Diri Odunlarının Kimyasal ve Morfolojik Özelliklerinin Araştırılması

Abstract

Çalışmanın amacı: Fıstıkçamı ve yalancı akasya diri ve öz odunlarının kimyasal ve morfolojik özellikleri tespit etmek.
Materyal ve yöntem: Fıstıkçamı ile yalancı akasya diri ve öz odunu örneklerinin hazırlanması ve yapılan kimyasal analiz ve morfolojik ölçümler TAPPI standart yöntemine bağlı kalınarak gerçekleştirilmiştir. Çalışma kapsamında, kimyasal özelliklerinden holoselüloz, selüloz, lignin, alfa selüloz, kül oranı ile eter, soğuk su, sıcak su ile %1’lik NaOH çözünürlüğü oranı analiz edildi. Odunların morfolojik özelliklerini belirlemek için, masere edilen odun örneklerinin lif boyutları ekranlı vizopan mikroskopta ölçülmüştür. Lif boyutları ölçümlerinden elde edilen veriler kullanılarak keçeleşme oranı, rijidite katsayısı, runkel oranı, elastikiyet sınıflandırması, mühlstep katsayısı ve F faktörü değerleri hesaplanmıştır.
Temel sonuçlar: Kimyasal analiz ve morfolojik ölçüm sonuçlarından, fıstıkçamı ile yalancı akasyanın diri ve öz odunları arasında yapılan bağımsız T Testi istatiktik analizine göre, önemli farklılıkların olduğu tespit edilmiştir. Ayrıca, diri odunlarının çözünürlük değerleri öz odunlara göre daha düşük bulunmuş ve tüm örneklerin kimyasal ve morfolojik özellikleri literatürdeki değerlerle örtüşmektedir.
Araştırma vurguları: Fıstıkçamı ve Yalancı Akasya’nın kağıt hamuru ve kağıt üretimine uygunluğunu araştırmak.

Keywords

Diri ve Özodun, Fıstıkçamı, Yalancı Akasya, Kimyasal ve Morfolojik Özellikler, Kağıt

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