"[B115B9E6B09A]" . . "Hostomsk\u00FD, Ji\u0159\u00ED" . . "\u00DAstav anorganick\u00E9 chemie AV \u010CR" . . . "26"^^ . "Z(AV0Z4032918)" . . "Crystallization of ammonium aluminium alum."@en . . . "Krystalizace kamence hlinitoamonn\u00E9ho." . . "RIV/61388980:_____/01:50033092!RIV/2004/AV0/A50004/N" . "RIV/61388980:_____/01:50033092" . . . "Hostomsk\u00E1, V\u011Bra" . "Crystallization of ammonium aluminium alum."@en . . . . "Krystalizace kamence hlinitoamonn\u00E9ho." . . . "Krystalizace kamence hlinitoamonn\u00E9ho."@cs . "\u0158e\u017E" . "V r\u00E1mci v\u00FDzkumu a v\u00FDvoje technologie v\u00FDroby vysoce \u010Dist\u00E9ho krystalick\u00E9ho s\u00EDranu amonno-hlinit\u00E9ho krystalizac\u00ED z roztoku byla stanovena distribuce kontaminant\u016F (Na, K, Fe, Si, Ca, Cr, Mg, Ti, Ga, Mn, Zn, Co, Pb a Cu) mezi krystalickou f\u00E1z\u00ED a roztokem - pro dv\u011B v\u00FDchoz\u00ED koncentrace roztoku s\u00EDranu hlinitoamonn\u00E9ho a pro dv\u011B kone\u010Dn\u00E9 teploty krystalizace. D\u00E1le byl stanoven vliv rekrystalizace s\u00EDranu hlinitoamonn\u00E9ho a vliv p\u0159ebytku amonn\u00FDch iont\u016F na obsah kontaminant\u016F." . "(1)" . "Krystalizace kamence hlinitoamonn\u00E9ho."@cs . "684876" . "0"^^ . "2"^^ . "0"^^ . "2"^^ . . "The report deals with the research and development of the process for production of extra pure ammonium aluminium sulphate by crystallization from solution. The distribution of contaminants (Na, K, Fe, Si, Ca, Cr, Mg, Ti, Ga, Mn, Zn, Co, Pb a Cu) between the crystalline phase and solution was determined for two initial concentrations of ammonium aluminium sulphate and for two final crystallization temperatures. The effect of recrystallization of ammonium aluminium sulphate and the effect of the excess of ammonium ions upon the product purity was investigated."@en . "ammonium aluminium sulphate; purification; crystallization"@en .