Russian Journal of Inorganic Chemistry, Tập 3Chemical Society., 1958 |
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Coprecipitation of Se , % Figure 8. Dependence of coprecipitation of selen- ium on its valence 1 - selenium as H Se * O3 ( experimental conditions correspond to curve 2 , Figure 1 ) ; 2 - selenium as H2Se * 04 ; 3 - coprecipitation ...
Coprecipitation of Se , % Figure 8. Dependence of coprecipitation of selen- ium on its valence 1 - selenium as H Se * O3 ( experimental conditions correspond to curve 2 , Figure 1 ) ; 2 - selenium as H2Se * 04 ; 3 - coprecipitation ...
Trang 62
... coprecipitation . With the increase of the concentration of ammonium salt the curves are shifted to lower values of pH , and with the increase in the charge of the anion ( NO3 , SO42- ) coprecipitation of selenium decreases ( Figure 1 ...
... coprecipitation . With the increase of the concentration of ammonium salt the curves are shifted to lower values of pH , and with the increase in the charge of the anion ( NO3 , SO42- ) coprecipitation of selenium decreases ( Figure 1 ...
Trang 63
... coprecipitated . Coprecipitation of hexavalent selenium ( selenium is introduced as H2Se * 04 ) in 0.5 N solution of ammonium nitrate is shown in Figure 8 ( curve 2 ) . As it is evident from the diagram , starting from pH 6 selenium be ...
... coprecipitated . Coprecipitation of hexavalent selenium ( selenium is introduced as H2Se * 04 ) in 0.5 N solution of ammonium nitrate is shown in Figure 8 ( curve 2 ) . As it is evident from the diagram , starting from pH 6 selenium be ...
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Krylov E I Ananina A M The Synthesis | 9 |
1734 | 18 |
Akselrud N V Spivakovskii V B Study | 37 |
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1957 Zhurnal Neorganicheskoi alkali ammonia ammonium analysis anions aqueous solutions atoms bromide calcium calcium zirconate calculated cation cerium Chem chemical chloride co-ordination complex compounds composition concentration coprecipitation corresponding crystallization curve decomposition dependence determined diagram dissociation distribution coefficient electric conductivity electrode equation equilibrium eutectic experimental experiments extraction Figure fluoride fluoroberyllate formation formed glaserite H₂O heating hydroxide increase indium Inorganic Chemistry interaction investigation ionic strength isotherm Journal of Inorganic khimii Journal ligands liquid lithium melting point metal method mixture molecules NaCl neodymium nitrate obtained orbitals oxalate oxidizing phosphate platinum polythionic acids potassium potassium sulfate potential precipitate protactinium radius ratio reaction Received for publication salt sample selenious acid selenium sodium sodium sulfate sodium tellurite solid phase solid solutions solubility stability substance sulfate sulfuric acid tantalum tellurium temperature tetrachloride tion tributyl phosphate uranyl USSR values Zhurnal Neorganicheskoi Khimii