Russian Journal of Inorganic Chemistry, Tập 8British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1963 |
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Kết quả 1-3 trong 34
Trang 323
... niobium concentration from 2.5 × 10-5 M to 2.5 × × 10-3 M leads to a decrease in the dialysis coefficient for niobium ions in 0.3 N KOH ; subsequent increase in the niobium concentration to 2.5 x 10-2 M has no influence on the rate of ...
... niobium concentration from 2.5 × 10-5 M to 2.5 × × 10-3 M leads to a decrease in the dialysis coefficient for niobium ions in 0.3 N KOH ; subsequent increase in the niobium concentration to 2.5 x 10-2 M has no influence on the rate of ...
Trang 324
... niobium evidently is the monomeric ion . Unlike zirconium , however , the polymeric forms of niobium are not decom- posed in the presence of xylenol orange . - The optical density of the niobium - xylenol orange complex is independent ...
... niobium evidently is the monomeric ion . Unlike zirconium , however , the polymeric forms of niobium are not decom- posed in the presence of xylenol orange . - The optical density of the niobium - xylenol orange complex is independent ...
Trang 351
... niobium oxide carbides are not clear , particularly as the lower oxides and carbides of niobium have a rather developed defect lat- tice , which must promote the formation of NbOyCx . It is of interest to know why oxide carbides are not ...
... niobium oxide carbides are not clear , particularly as the lower oxides and carbides of niobium have a rather developed defect lat- tice , which must promote the formation of NbOyCx . It is of interest to know why oxide carbides are not ...
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January | 1 |
Normal orthophosphates | 30 |
Diacetyl thiosemicar | 38 |
Bản quyền | |
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acetate acid Akad alcohol alkali alloys ammonia ammonium analysis anion aqueous solutions atoms beryllium caesium calculated carbon cations Chem chemical chloride cm² coefficient complex components composition compounds concentration constant corresponding crystallisation crystals curve decomposition determined diagonals dissociation dissolved EDTA equilibrium diagram ether ethylenediamine eutectic experimental extraction formation formed glycine H₂O heating hydrates hydrochloric acid hydrogen hydrolysis hydroxide increase indium Inorg ionic ions iridium isomolar isotherms kcal Khim ligand melting metal methanol method mixture mole mole-¹ molecules molybdenum NaCl NaOH Nauk SSSR Neorg niobium nitrobenzene Obshch obtained optical density oxide potassium praseodymium precipitate prepared pyridine ratio reaction reciprocal system rhodium Russ salts shows sodium solid phase solid solutions solu solubility solvent specimens stability structure studied substance sulphate sulphuric Table temperature ternary system thermal Thermogram thorium tion titration values vanadium vapour pressure X-ray Zhur