Publication: Klorofil-a'nın Elde Edilmesi ve Sentezlenen Ag(II)-Klorofil-a (C55H72AgN4O5) Molekülünün Esr Yöntemi İle Çözücülere Bağlı İncelenmesi
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ÖZET Bu çalışmada taze ısırgan yapraklarından elde edilen klorofil-a mole külünde bulunan Mg(II) metal iyonunun çıkartılmasıyla oluşturulan pheop- hytin-a'ya Ag(II) metal iyonu yerleştirildi. Sentezlenen Ag
-V- ABSTRACT In this study, Ag (I I) -chlorophyll -a which is an organometallic complex has been investigated with Esr spectroscopy in the petroleum ether and 1-chloronaphthalene solvents. The solution of chlorophyll-a in the petroleum ether gives hyperfine splitting of 23G for nitrogen, but in the 1-chloronaphthalene solution no resolvable nitrogen splitting has been observed. Furthermore, the same Esr signals have been observed when metal lo- porphyrins and metallochlorophylls contain the same central paramagnetic metal ions.
-V- ABSTRACT In this study, Ag (I I) -chlorophyll -a which is an organometallic complex has been investigated with Esr spectroscopy in the petroleum ether and 1-chloronaphthalene solvents. The solution of chlorophyll-a in the petroleum ether gives hyperfine splitting of 23G for nitrogen, but in the 1-chloronaphthalene solution no resolvable nitrogen splitting has been observed. Furthermore, the same Esr signals have been observed when metal lo- porphyrins and metallochlorophylls contain the same central paramagnetic metal ions.
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Tez (yüksek lisans) -- Ondokuz Mayıs Üniversitesi, 1987
Libra Kayıt No: 9166
Libra Kayıt No: 9166
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43
