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Turkish Journal of Chemistry

Volume 23, Number 3 (1999)

Articles

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The characterization of Na_2 CO_3 Activated Kütahya Bentonite
NURAY YILDIZ, YÜKSEL SARIKAYA, and AYLA ÇALIMLI
Pages 309-318

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Acidity of Silica-Alumina Catalysts By Amine Titration Using Hammett Indicators and FT-IR Study of Pyridine Adsorption
MÜRÜVVET YURDAKOÇ, MEHMET AKÇAY, YALÇIN TONBUL, and KADİR YURDAKOÇ
Pages 319-328

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Mass Spectral Studies of Some Triorganotin Derivatives Containing Carboxylates
MOAZZAM HUSSAIN BHATTI, SAGIB ALI, MUHAMMAD MAZHAR, MUHAMMAD DANISH, and MUHAMMAD AZİZ CHAUDHARY
Pages 329-338

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Chemical Investigation of the Sponge Verongia aerophoba
ZEYNEP AYDOĞMUŞ, NEBİYE ERSOY, and SEDAT İMRE
Pages 339-344

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Stabilities of Complexes of Scandium(III) and Yttrium(III) With Salicylic Acid
NACİYE TÜRKEL, RAHMİYE AYDIN, and ULVİYE ÖZER
Pages 249-256

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Conformational Analysis of Linear Peptide (Glu^1-Leu^2-Leu^3-Gly^4-Gly^5-Arg^6-Phe^7NH_2 )
LÜTFÜ DEMİR, ABDULHALİK KARABULUT, GÖKHAN BUDAK, YUSUF ŞAHİN, and NAGIF SEFTEROĞLU
Pages 257-262

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^1H NMR Spectra of Some Amidrazone Derivatives
ŞULE BAHÇECİ, HAYDAR YÜKSEK, and A. AYKUT İKİZLER
Pages 263-268

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Spectrophotometric Determination of Uranium in Waste Water of Phosphoric Acid and Fertilizer Manufacturing Process
AHMET UYANIK, NİHAT TINKILIÇ, M. ODABAŞOĞLU, and HÜSEYİN KARACA
Pages 275-284

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Supercritical CO_2 Extraction of Ethanol
A. GÜVENÇ, Ü. MEHMETOĞLU, and A. ÇALIMLI
Pages 285-292

Editors

Editor-in-Chief
Prof. Dr. Ahmet GÜL
İstanbul Technical University

Associate Editors-in-Chief
Mustafa Kemal SEZGİNTÜRK
Çanakkale Onsekiz Mart University, Turkey
Nurettin Mengeş
Van Yüzüncü Yıl University, Turkey
Önder Metin
Koç University, Turkey

Editorial Board