Russian Journal of Inorganic Chemistry, Tập 4,Trang 1-658Chemical Society., 1959 |
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Trang 256
... phosphotungstic acid and the alkaline earth metals have not been studied in detail , although these com- pounds , particularly the barium salts , are of both practical and theoretical interest . The fact that it is possible to pre- pare ...
... phosphotungstic acid and the alkaline earth metals have not been studied in detail , although these com- pounds , particularly the barium salts , are of both practical and theoretical interest . The fact that it is possible to pre- pare ...
Trang 259
... phosphotungstic acid ( 4 % solution ) at 50 ° . 5 ml of con- centrated HCl was added and the solution evaporated to half its volume . The first fraction ( 156.5 g of crystals ) was shown by analysis to be the dibarium salt ( Table 3 ...
... phosphotungstic acid ( 4 % solution ) at 50 ° . 5 ml of con- centrated HCl was added and the solution evaporated to half its volume . The first fraction ( 156.5 g of crystals ) was shown by analysis to be the dibarium salt ( Table 3 ...
Trang 377
... phosphotungstic and luteo- phosphotungstic acids in hydrochloric , sulphuric and nitric acids of various concentrations , and also the behaviour of phosphotungstic acid with the complex - forming acids H2SiO3 , H3PO4 and H , BOз . 2 ...
... phosphotungstic and luteo- phosphotungstic acids in hydrochloric , sulphuric and nitric acids of various concentrations , and also the behaviour of phosphotungstic acid with the complex - forming acids H2SiO3 , H3PO4 and H , BOз . 2 ...
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The 21st Congress of the CPSU | 1 |
Reduction of TiO2 | 7 |
S A SHCHUKAREV I V VASILKOVA V M DROZDOVA | 13 |
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absorption acid Akad alcohol alizarin alkali alloys ammonia analysis anhydrous anion anorg aqueous solutions atoms bonds CaCl2 CaF2 calcium calculated carbon cerium Chem chemical chloride cobalt complex components composition compounds concentration containing corresponding crystallisation crystals curves decomposition determined diagram dissolved electron equation equilibrium ether eutectic experimental fluoride formation formed glaserite H₂O heating hydrated hydrofluoric acid hydrogen hydrolysis hydroxide increase ionic ions isotherm K₁ kcal Khim lanthanum LiOH liquid phase lithium melting metal method mixture molar mole molecules molybdate molybdenum MoO4 NaCl NaOH Nauk SSSR Neorg niobium Obshch obtained optical density oxalate oxide oxygen perchloric acid peroxide peroxymolybdate phosphotungstic phosphotungstic acid platinum potassium precipitate ratio reaction salt saturated shows sodium solid phase solid solution solu solubility solvent studied sulphate sulphuric Table tantalum tellurium temperature ternary thermal tion titanium titration values vapour X-ray yttrium Zhur zirconium