Russian Journal of Inorganic Chemistry, Tập 7,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1962 |
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Trang 944
... oxalic acids . As with molybdic acid2 , the catalytic current strength decreases smoothly as oxalic acid is added ( Fig . 5 ) , but with increase in the oxalic acid concentration the catalytic current at the limit tends not to zero , as ...
... oxalic acids . As with molybdic acid2 , the catalytic current strength decreases smoothly as oxalic acid is added ( Fig . 5 ) , but with increase in the oxalic acid concentration the catalytic current at the limit tends not to zero , as ...
Trang 1191
... oxalic acid from a concentration of 1.5 g litre - 1 Sc2O . We found that the oxalate was precipitated from much more dilute solutions . At low scandium concentrations , however , the oxalate is precipitated slowly , owing to the ...
... oxalic acid from a concentration of 1.5 g litre - 1 Sc2O . We found that the oxalate was precipitated from much more dilute solutions . At low scandium concentrations , however , the oxalate is precipitated slowly , owing to the ...
Trang 1421
EXPERIMENTAL A solution of about 5 μc 95 Nb in oxalic acid was evaporated to dryness in a quartz crucible , ignited in a muffle furnace , and fused with potassium pyrosulphate . The melt was dissolved in a hydroxy - acid solution to ...
EXPERIMENTAL A solution of about 5 μc 95 Nb in oxalic acid was evaporated to dryness in a quartz crucible , ignited in a muffle furnace , and fused with potassium pyrosulphate . The melt was dissolved in a hydroxy - acid solution to ...
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absorption acid Akad alcohol alkali metal alloys ammonium analysis anion calculated carbon cation cerium Chem chemical chloride composition compounds concentration containing corresponding crystallisation crystals curves decomposition determined dissociation distribution constant endothermic equilibrium diagram eutectic EXPERIMENTAL extraction filtered formed fusion diagram H₂O hafnium heating hydrogen hydrolysis hydroxide increase Inorg ionic strength ions isomolar series isotherms kcal Khim lanthanum lattice ligand liquid melting methanol method mixture molar ratio mole molecules NaCl Nauk SSSR neodymium Neorg niobium nitrate obtained optical density oxalate oxalic acid oxide peritectic phosphate phthalocyanines potassium precipitate prepared reaction reciprocal system resin Russ salicylate salt saturated scandium shows sodium solid phase solid solutions soln solu solubility solvent specimens spectra stable studied sulphate Table temperature ternary system thallium thermal Thermogram thorium tion uranium uranyl values X-ray Zhur zirconium ZrO2