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A Study on the Possibility of Identification and Comparison of Metallic Ions and Chemical Components in Wood and Bark of Oak by Atomic Adsorption and GC-MS Methods | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| Article 11, Volume 32, Issue 2 - Serial Number 59, July 2017, Pages 275-286 PDF (345.72 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijwpr.2017.109582 | ||
| Author | ||
| Ramin Vaysi* | ||
| Associate Professor, Islamic Azad University of Chalous Branch, Chalous,Iran | ||
| Abstract | ||
| The aim of study was accomplished on identification and comparison of chemical compounds in wood and bark of oak. For this purpose, the samples were chosen randomly from oak in Nowshahr forest region. Then, flour and ash were provided from heart wood, sap wood and bark of oak by TAPPI standards. For measured metallic ions, first the mineral compound of ash dissolved by 65% nitric acid and for it's identified by atomic adsorption method. The results showed that Fe, Zn and Cu ions in wood of oak were more than its bark and its Mn ion was lower. Then extractives were separated from wood flour by acetone and extractives residue transferred to glassy vial and was added BSTFA reactor to it. After samples prepared, its were injected by GC/MS for analyze. Identification of compounds was done by retention time of each compound, calculation of quartz index and Adams table. The result of GC-MS showed that there are 10, 42 and10 compounds in heart wood, sap wood and bark of oak, respectively. Comparison of chromatograms showed that Decan, Dodecan, Tetradecane and Bis(2-ethylhexyl)phthalate were exists as 4 common components in bark, sap wood and heart wood of oak and Silicic acid and 1,2-Benzenedicarboxylic acid were exists as 2 common components in bark and sap wood of oak. These compounds can very important in durability and consumption its. | ||
| Keywords | ||
| Oak; Atomic Adsorption; Metallic Ions; Mass spectrometry; Gas chromatography; Organic compounds | ||
| References | ||
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