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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   2017 , Volume 32 , Number 2; Page(s) 275 To 286.
 
Paper: 

A STUDY ON THE POSSIBILITY OF IDENTIFICATION AND COMPARISON OFMETALLIC IONS AND CHEMICAL COMPONENTS IN WOOD AND BARK OF OAK BY ATOMIC ADSORPTION AND GC-MS METHODS

 
 
Author(s):  VAYSI R.*
 
* CHALOUS BRANCH, ISLAMIC AZAD UNIVERSITY, CHALOUS, IRAN
 
Abstract: 

The aim of this study was identification and comparison of chemical compounds in wood and bark of oak wood. For this purpose, the samples were selected randomly from oak wood in Nowshahr forest region. Then, flour and ash were prepared from heart wood, sap wood and bark of oak by TAPPI standards. For the measurement of metallic ions, first the mineral compound of ash was dissolved by 65% nitric acid and then identified by atomic adsorption method. The results showed that Fe, Zn and Cu ions in wood of oak were more than its bark and Mn ion was lower. Then extractives were separated from wood flour by acetone and these extractives were transferred to glassy vial and BSTFA was added to the reactor. The samples was injected to 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 and 10 compounds in heart wood, sap wood and bark of oak, respectively. Comparison of chromatograms showed that Decan, Dodecan, Tetradecane and Bis (2-ethylhexyl) phthalate exist as four common components in bark, sap wood and heart wood of oak and silicic acid and 1, 2-Benzenedicarboxylic acid exist as 2 common components in bark and sap wood of oak. These compounds are very important in durability and consumption of oak wood.

 
Keyword(s): OAK, ATOMIC ADSORPTION, METALLIC IONS, MASS SPECTROMETRY, GAS CHROMATOGRAPHY, ORGANIC COMPOUNDS
 
References: 
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