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  • 1 Northeastern University Department of Chemistry, School of Sciences Shenyang P.R. China 110004 Shenyang P.R. China 110004
  • | 2 Liaoning University of Petroleum and Chemical Technology Fushun P.R. China 113001 Fushun P.R. China 113001
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Abstract  

The dehydration process of Co(II), Cu(II) and Zn(II) methanesulfonates was studied by thermogravimetry/derivative thermogravimetry (TG/DTG) and differential scanning calorimetry (DSC) techniques in dynamic N2 atmosphere. The TG/DTG curves show that all of them contain four crystallization water molecules, which are lost in two steps. The peak temperature and dehydration enthalpies ΔH were measured from DSC curves for each compound. The effect of procedural variables on the TG and DSC curves was investigated. In this work, the procedural variables included heating rate, Al pan state (unsealed and sealed) and sample mass.

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