in neat (no solvent) treatment of CaS with an acidic mother-lye; addition of gaseous HCl to the solution under pptn. of BaCl2*2H2O;; washing with H2O or dild. BaS-solution;;
in not given byproducts: S; passing of SO2 in a BaS-solution ppts. BaS2O3; BaS2O3 reacts with HCl under formation of BaCl2; filtration of the pptd. S; crystallisation of BaCl2*2H2O out of the filtrate;;
参考文献
Ba: SVol., 13, page 178 - 180
RU45282 , ;
C. I, , p. 4607
→
反应条件
in not given reaction of BaS-solutions with MgCl2-solution ppts. Mg(OH)2; filtration; crystallisation of BaCl2*2H2O out of the solution;; repptn.;;
参考文献
Journal of Scientific and Industrial Research, Section B: Physical Sciences, , vol. 7, # 1 p. 5 - 9
in diethyl ether extraction of irridiated UO2(NO3)2*nH2O with ether; the formed aq. solution contains all decomposition products; seperation of the aq. solution; addition of BaCl2; pptn. of BaCl2*2H2O with 37percent aq. HCl;; twice repptn.;;
参考文献
Zeitschrift fuer Naturforschung, , vol. 1, p. 545 - 556
in water molar ratio Ba:Cu:Te=1:2:2, excess 2 M aq. NH4Cl, sealed silica tube, 375°C, 5 d; collection (filtration), washing (water, Me2CO), hand sepn.;
参考文献
Feger, Christopher R.; Kolis, Joseph W.
Inorganic Chemistry, 1998 , vol. 37, # 16 p. 4046 - 4051
