Russian Journal of Inorganic Chemistry, Tập 13,Trang 1-901British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1968 |
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Kết quả 1-3 trong 82
Trang 368
... mixture with gramme- ion component ratio equal to 1 : 100 . Thus for a pH of 7.1 in the first mixture , n = 2.62 , whereas for a pH of 7.2 in the second mixture , n = 2.22 . At a pH of 10.70 in the first mixture , 3.84 , whereas at pH ...
... mixture with gramme- ion component ratio equal to 1 : 100 . Thus for a pH of 7.1 in the first mixture , n = 2.62 , whereas for a pH of 7.2 in the second mixture , n = 2.22 . At a pH of 10.70 in the first mixture , 3.84 , whereas at pH ...
Trang 431
... mixture of 1.75 ml ethanolamine and a solution of 5 g K2HPО in 20 ml water was added to the filtrate . The phosphate precipitate was separated by suction , washed with alcohol and ether , and then , as described above , treated with 15 ...
... mixture of 1.75 ml ethanolamine and a solution of 5 g K2HPО in 20 ml water was added to the filtrate . The phosphate precipitate was separated by suction , washed with alcohol and ether , and then , as described above , treated with 15 ...
Trang 839
... mixtures cerium and thulium indicates the possibility of a more effective separation of the r.e.e. from cerium ( Table 3 ) . A second purification of a cerium mixture allowed a cerium preparation with 6.6 × 10-4 % Pr and 7.4 × 10-4 % Tm ...
... mixtures cerium and thulium indicates the possibility of a more effective separation of the r.e.e. from cerium ( Table 3 ) . A second purification of a cerium mixture allowed a cerium preparation with 6.6 × 10-4 % Pr and 7.4 × 10-4 % Tm ...
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JANUARY | 1 |
Composition and properties of the tri di and mono | 7 |
The polymorphism of chromium hydroxides obtained | 13 |
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absorption bands absorption spectra acid solutions Akad alkali metal amine ammonium analysis anhydrous anion aqueous solutions atoms bond caesium calculated carbonate cerium(IV Chem chemical Chemistry chloride chromium(III cm-¹ cobalt complex formation composition compounds concentration coordination corresponding crystallisation crystals curve decomposition determined displacement dissociation equilibrium Figure formed frequencies H₂O heat of formation hydrated hydrogen hydrolysis hydroxide increase infrared infrared spectra Inorg ionic ions iron(III kcal kcal mole-¹ Khim Kurrol salt lanthanum ligand litre-1 melt method mixture molar mole molecules molybdate molybdenum Moscow Nauk SSSR neodymium Neorg nickel niobium nitrate obtained oxalate oxide perchlorate phenanthroline phosphate plexes potassium precipitate prepared pyrochlore range ratio reaction reagent Russ shows sodium sodium hydroxide solid phase solu solubility specimen spectrum stability constants stromeyerite studied sulphate sulphuric acid system at 25°C Table tantalum temperature tetrahydroborate thermal thermogram tion values X-ray diffraction yttrium Zhur zirconium