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b time , min Thermal analysis of Na2CO3 - NaBF4 ( a ) and K2CO3 -KBF4 ( b ) mixtures . ... DTA 400 - Thus in the sodium salt mixture the reaction begins at 190 ° C , that is before the polymorphic transformation of sodium fluoroborate ...
b time , min Thermal analysis of Na2CO3 - NaBF4 ( a ) and K2CO3 -KBF4 ( b ) mixtures . ... DTA 400 - Thus in the sodium salt mixture the reaction begins at 190 ° C , that is before the polymorphic transformation of sodium fluoroborate ...
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Temperature dependence of the phase composition of the reaction mixtures : q , mixture A ; b , mixture B ; C , mixture C ; d , mixture D ; 1 , Y203 ; 2 , CuO ; 3 , BaO2 ; 4 , Ba ( NO3 ) 2 ; 5 , BaO ; 6 , BaCuO2 ; 7 , Y , Cu2Os ; 8 ...
Temperature dependence of the phase composition of the reaction mixtures : q , mixture A ; b , mixture B ; C , mixture C ; d , mixture D ; 1 , Y203 ; 2 , CuO ; 3 , BaO2 ; 4 , Ba ( NO3 ) 2 ; 5 , BaO ; 6 , BaCuO2 ; 7 , Y , Cu2Os ; 8 ...
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( 12 ) Reactions ( 9 ) and ( 10 ) play a significant role only in mixture C ; in mixtures A and B at 700 ° C the concentration of Y203 has its lowest value , and the kinetics of the formation of YBa2Cu3O7 - s are determined by reactions ...
( 12 ) Reactions ( 9 ) and ( 10 ) play a significant role only in mixture C ; in mixtures A and B at 700 ° C the concentration of Y203 has its lowest value , and the kinetics of the formation of YBa2Cu3O7 - s are determined by reactions ...
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according acid active addition analysis angles anion apparently aqueous atoms bands bond calculated carried cations characteristic Chem chemical Chemistry chloride complexes components composition compounds concentration constant containing coordination copper corresponding crystal crystallisation curves decomposition decrease dependence described determined distances effect electron energy English translation equilibrium ether experimental extraction Figure formation formed given gives heating hydrate hydrogen increase indicates infrared Inorg ions Khim Khimii leads ligand lines mass materials measured metal method mixture molecules Moscow Neorg observed obtained oxide oxygen parameters phase points positions possible prepared present properties published range ratio reaction References region respectively ring salt shows similar sodium solid solubility solution space group specimens spectra spectrum stability structure studied synthesis Table takes temperature thermal translation in Russ values X-ray diffraction