The origin and characterization of soluble organic matter in the phosphate rock (Mardin-Mazidagi-Turkey). | [Journal of Chemical Society of Pakistan • 2013]

Author(s):

1. Jale Naktiyok: Department of Chemistry, Atatürk University, Erzurum, Turkey

2. Abdul Kadir Özer: Department of Chemistry, Atatürk University, Erzurum, Turkey

3. Murat Çelik: Department of Chemistry, Atatürk University, Erzurum, Turkey

4. Mustafa Sahin Gülaboglu: Department of Chemical Engineering, Atatürk University, Erzurum, Turkey

Abstract:

In this study, the origin and structure of the soluble organic matter in the phosphate rock was investigated. The organic matter was extracted with n-hexane from the phosphate rock. Its structure was analyzed by using TG, GC-MS, FTIR and NMR. GC-MS results showed that the organic matter had a complex structure and had a modal distribution ranging between C9 to C35 and maximizes at C10 and C14. The presence of n-alkanes with even/odd carbon predominance indicates the intense microbial reworking of the organic matter taking place in this depositional environment. The Carbon Preference Index (CPI) was 0.71 in which major microbial sources exist.1H NMR and 13C NMR spectra of the phosphate rock also confirmed these results. FTIR results showed that the bands obtained from organic matter exhibits a phospholipid characteristic which is a component only of living cells and, as such, a measure of viable biomass.

Page(s): 1138-1142

DOI: DOI not available

Published: Journal: Journal of Chemical Society of Pakistan, Volume: 35, Issue: 4, Year: 2013

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