Evidence for the existence of colloidal precipitates in metal cyanides by radiometric titration

1972 ◽  
Vol 12 (1) ◽  
pp. 553-556 ◽  
Author(s):  
W. U. Malik ◽  
B. P. Singh ◽  
J. P. Jain
Keyword(s):  
Metal Cyanides ◽  
Radiometric Titration

Multielement isotope dilution analysis by means of radiometric titration

1981 ◽  
Vol 67 (1) ◽  
pp. 5-14 ◽  
Author(s):  
P. C. A. Ooms ◽  
G. P. Leendertse ◽  
H. A. Das ◽  
U. A. Th. Brinkman
Keyword(s):  
Isotope Dilution ◽  
Isotope Dilution Analysis ◽  
Radiometric Titration

Carbon-13/carbon-12 isotope effects on nitrogen-15 chemical shielding in some diamagnetic cyano complexes

1982 ◽  
Vol 60 (17) ◽  
pp. 2194-2197 ◽  
Author(s):  
Roderick E. Wasylishen
Keyword(s):  
Transition Metal ◽  
High Field ◽  
Chemical Shifts ◽  
Isotope Effects ◽  
Chemical Shielding ◽  
Cyanide Ion ◽  
Theoretical Formulation ◽  
Metal Cyanides ◽  
Shielding Constants ◽  
Cyano Complexes

Carbon-13/carbon-12 isotope-induced 15N chemical shifts of 0.06 to 0.10 ppm have been observed for the cyanide ion and several transition metal cyanides. In each case, the 15N resonance of the 13C labelled isotopomers is to high field of that in the corresponding carbon-12 species. The sensitivity of the 15N and 13C shielding constants in the cyanide ion to small changes in the CN bond length are evaluated using the theoretical formulation of Jameson: (∂σ(15N)/∂r)e = −872 ± 160 ppm/Å and (∂σ(13C)/∂r)e = −473 ± 90 ppm/Å. Nitrogen-15 chemical shifts in the metal complexes exhibit basically the same behaviour as do the 13C chemical shifts in these same complexes.

Radiometric titration based on colloidal and slow precipitate formation

1973 ◽  
Vol 13 (1) ◽  
pp. 59-65 ◽  
Author(s):  
Cs. Ömböly ◽  
T. Szarvas ◽  
G. Végh
Keyword(s):  
Precipitate Formation ◽  
Radiometric Titration
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