Буду очень признателен за помощь в скачивании следующих статей:
1. Polarography of some sulphur-containing compounds : Part XVI. Polarographic and spectral investigation of acid-base equilibria in aqueous solutions of 2-thiobarbituric acids with substituents on sulphur
W. F. Smyth and G. Svehla P. Zuman
Analytica Chimica Acta
Volume 52, Issue 1, October 1970, Pages 129-138
- DOI:
http://dx.doi.org/10.1016/S0003-2670(01)80050-7
B.R. Singh, R.K. Jain, M.K. Jain and R. Ghosh
Thermochimica Acta
Volume 78, Issues 1-3, 15 July 1984, Pages 175-180
- DOI:
http://dx.doi.org/10.1016/0040-6031(84)87144-0