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 SM ISO690:2012COTOVAIA, Aliona, GULEA, Aurelian, ŞOVA, Sergiu, CIUMAC, Daniela, ŢURCANU, Ştefan, RUDIC, Valeriu, BULIMAGA, Valentina. Efectul stimulator al tris-β-aminoetilaţilor de cobalt(III) asupra productivităţii cianobacteriei spirulina platensis. In: Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii), 2008, nr. 2(12), pp. 156-163. ISSN 1814-3237. |
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| Studia Universitatis Moldaviae (Seria Ştiinţe Reale şi ale Naturii) | ||||||
| Numărul 2(12) / 2008 / ISSN 1814-3237 /ISSNe 1857-498X | ||||||
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| Pag. 156-163 | ||||||
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As a result of cobalt (III) β-aminoethylate protonation reactions with sulfuric and nitric acids, several new coordination
compounds of composition [Co(Hetm)3](NO3)3 (1) and [Co(Hetm)3]2(SO4)3⋅4H2O (2) have been synthesized. The reaction
between β-aminoethanol and cobalt(III) nitrate, acetate and sulfate in neutral or slightly basic alcoholic media leads to
the formation of cobalt (III) coordination compounds, which internal sphere includes both molecules of neutral β-aminoethanol
(Hetm) and ions of its deprotonated form (etm). The general formula of the complexes can be given as
[Co(Hetm)3][Co(etm)3]X3⋅nH2O, where X = NO3
- (3), CH3COO- (4), 1/2SO4
2- (5); n = 0, 7, or 3 correspondingly. The
biologic activity study of the synthesized complexes revealed that the algae biomass obtained in the nutritive media,
containing coordination compounds, depends on the internal coordination sphere of the cobalt compound. |
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