The differential FT-IR spectroscopic method was used to identify the polyborate anions in aqueous solutions during dissolution and transformation of 2MgO·2B 2O 3 ·MgCl 2·14H 2O in 6.45%H 3BO 3 solution ...The differential FT-IR spectroscopic method was used to identify the polyborate anions in aqueous solutions during dissolution and transformation of 2MgO·2B 2O 3 ·MgCl 2·14H 2O in 6.45%H 3BO 3 solution at 30℃. The recorded IR-spectroscopic frequencies of the borate aqueous solution subtract, with that of water as a bland value and their assignments were given. The existing forms of polyborate anions and thir interaction in three boron-con-taining aqueous solutions have been proposed. On the basis of solution structure, the mechanisms of dissolution and phase transformation of chlorpinnoite in 6.45% H 3BO 3 solution at 30℃ have been discussed.展开更多
The differential FTIR spectroscopy and Raman spectra of CsB5O8·4H2O and its saturated aqueous solution were studied.The assignments of the recorded FTIR frequencies and Raman shift were given.The main p...The differential FTIR spectroscopy and Raman spectra of CsB5O8·4H2O and its saturated aqueous solution were studied.The assignments of the recorded FTIR frequencies and Raman shift were given.The main polyborate anions and their interaction in borate aqueous solution were proposed.The relationship between the existing forms of polyborate anions and the crystallizing solid phase,CsB5O8·4H2O,was obtained.展开更多
The FT-IR difference spectroscopy and the Raman spectroscopy were used to ide ntify the polyborate ions in saturated aqueous solutions during dissolution and transformation of 2MgO·2B2O3·MgCl2·14H2O in ...The FT-IR difference spectroscopy and the Raman spectroscopy were used to ide ntify the polyborate ions in saturated aqueous solutions during dissolution and transformation of 2MgO·2B2O3·MgCl2·14H2O in different HCl solutions at 30℃. The assignments of the recorded IR-Spectroscopic frequencies and Raman shift of the borate aqueous solution are given. The existing forms of polyborate anions in saturated aqueous solution and their interaction have been discussed. The rel ationships between the existing forms of polyborate anions and the crystallizing solid phases have been gained.展开更多
文摘The differential FT-IR spectroscopic method was used to identify the polyborate anions in aqueous solutions during dissolution and transformation of 2MgO·2B 2O 3 ·MgCl 2·14H 2O in 6.45%H 3BO 3 solution at 30℃. The recorded IR-spectroscopic frequencies of the borate aqueous solution subtract, with that of water as a bland value and their assignments were given. The existing forms of polyborate anions and thir interaction in three boron-con-taining aqueous solutions have been proposed. On the basis of solution structure, the mechanisms of dissolution and phase transformation of chlorpinnoite in 6.45% H 3BO 3 solution at 30℃ have been discussed.
文摘The differential FTIR spectroscopy and Raman spectra of CsB5O8·4H2O and its saturated aqueous solution were studied.The assignments of the recorded FTIR frequencies and Raman shift were given.The main polyborate anions and their interaction in borate aqueous solution were proposed.The relationship between the existing forms of polyborate anions and the crystallizing solid phase,CsB5O8·4H2O,was obtained.
文摘The FT-IR difference spectroscopy and the Raman spectroscopy were used to ide ntify the polyborate ions in saturated aqueous solutions during dissolution and transformation of 2MgO·2B2O3·MgCl2·14H2O in different HCl solutions at 30℃. The assignments of the recorded IR-Spectroscopic frequencies and Raman shift of the borate aqueous solution are given. The existing forms of polyborate anions in saturated aqueous solution and their interaction have been discussed. The rel ationships between the existing forms of polyborate anions and the crystallizing solid phases have been gained.
