The microspheric catalysts of sodium sulphite low-temperature oxidation by oxygen in water solutions - Yemelyanova, V.; Dosumova, B.; Dzhatkanbaeva, U.; Shakiyev, E.; Kurokava, H.; Kairbekov, Zh.; Muhitova, D.; Shakiyeva, T.; Myltykbaeva, Zh. (Chemical Bulletin of Kazakh National University, 2013)