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Vasekha M.V.

Spectrophotometric research of acidic sulphite solutions

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Abstract. Spectrophotometric studying of water acidic sulphite solutions has been executed. The character of absorption of ions HSO3-, S2O52-and SO2?H2O in the UV-range has been studied. Degree of the dimerization of hydrosulphite-ion depending on solution concentration has been established. The latter increases from 4.75 to 25.86 % with increase of S(IV) from 0.03 to 0.2 mol/l.
Keywords: UV-spectrophotometric studying, sodium sulphite, sodium metabisulphite, sodium pyrosulphite, hydrosulphite-ion, degree of dimerization
Printed reference: Vasekha M.V. Spectrophotometric research of acidic sulphite solutions // Vestnik of MSTU. 2012. V. 15, No 3. P. 562-567.
Electronic reference: Vasekha M.V. Spectrophotometric research of acidic sulphite solutions // Vestnik of MSTU. 2012. V. 15, No 3. P. 562-567. URL: http://vestnik.mstu.edu.ru/v15_3_n49/articles/562_567_vasek.pdf.
(In Russian, p.6, fig. 5, tables 1, ref 4, Adobe PDF)