Studium acidobazických a komplexotvorných rovnováh pyrimidinových bází

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Title in English	Study of acidobasic and complex equalibria of pyrimidine bases
Authors	TŘÍSKOVÁ Olga LUBAL Přemysl TRNKOVÁ Libuše
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Chemické listy
MU Faculty or unit	Faculty of Science
Citation
web	http://www.chemicke-listy.cz/common/content-issue_13-volume_104-year_2010.html
Field	Analytic chemistry
Keywords	pyrimidine bases; thymine; cytosine; uracil; potentiometric titration; stability constant; protonation constant
Description	Acidobasic properties of pyrimidine bases (cytosine, thymine, uracil) were studied by means of glass-electrode potentiometry and the respective dissociation constants were determined under given experimental conditions (I = 0.1 M (NaCl), t = (25.0 +/- 0.1) degrees of Celsius): cytosine (pK_H2L = 4.606 +/- 0.006), thymine (pK_HL = 9.773 +/- 0.004), and uracil (pK_HL = 9.265 +/- 0.002).
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