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X - Ray diffractometer traces obtained for synthetic kaolinite at temperatures indicated : 1 ) 20 ° , after ignition for ... to mullite ( M ) and low - temperature cristobalite ; the SiOz maxima on this and subsequent curves are shaded ...
X - Ray diffractometer traces obtained for synthetic kaolinite at temperatures indicated : 1 ) 20 ° , after ignition for ... to mullite ( M ) and low - temperature cristobalite ; the SiOz maxima on this and subsequent curves are shaded ...
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Contradictory reports have appeared on the high - temperature transformation of sodium sulphate , first observed ... high - temperature transformation , but there is disagreement between X - ray results and transformation temperatures .
Contradictory reports have appeared on the high - temperature transformation of sodium sulphate , first observed ... high - temperature transformation , but there is disagreement between X - ray results and transformation temperatures .
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Effect of temperature on the true specific heat of thenardite : 1 ) ( 14 ° -300 ° K ) from Pitzer and Coulter 14 ; 2 ) ( 300 ° -500 ° K ) present work . Coughlin 16 derived specific heat values for sodium sulphate from enthalpy ...
Effect of temperature on the true specific heat of thenardite : 1 ) ( 14 ° -300 ° K ) from Pitzer and Coulter 14 ; 2 ) ( 300 ° -500 ° K ) present work . Coughlin 16 derived specific heat values for sodium sulphate from enthalpy ...
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absorption acid added addition Akad alcohol alkali alloys ammonia ammonium analysis anion aqueous atom bismuth bond calculated carbonate Chem chemical chloride complex composition compounds concentration conductivity confirmed constant containing coordination corresponding crystallisation crystals curve decomposition decrease density dependence determined diagram dissolved effect equilibrium excess experiments formation formed given gives H₂O heating hydrogen hydroxide increase indices initial ions Khim lines liquid measured melting metal method mixture molar mole molecules Nauk SSSR Neorg nitrate observed obtained optical oxide phase platinum potassium precipitate prepared presence pressure properties pure quantity ratio reaction Received reduction refractive region salt separated shown shows sodium solid solutions solubility solution solvent specimens stability structure studied substance sulphate Table temperature thermal tion uranium values volume washed X-ray yield Zhur