[63] Ion-exchange chromatography of citric acid cycle components and related compounds

1969 ◽  
pp. 425-430 ◽  
Author(s):  
R.W. Von Korff
Keyword(s):  
Citric Acid ◽  
Ion Exchange ◽  
Citric Acid Cycle ◽  
Ion Exchange Chromatography ◽  
Exchange Chromatography ◽  
Acid Cycle ◽  
Related Compounds

Modified Pisano Method for Estimating Urinary Metanephrines

1973 ◽  
Vol 19 (6) ◽  
pp. 611-614 ◽  
Author(s):  
R N Gupta ◽  
D Price ◽  
P M Keane
Keyword(s):  
Solvent Extraction ◽  
Ion Exchange ◽  
Present Method ◽  
Age Groups ◽  
Internal Standard ◽  
Ion Exchange Chromatography ◽  
Exchange Chromatography ◽  
Normal Range ◽  
Related Compounds ◽  
Urinary Metanephrines

Abstract The Pisano method [Clin. Chim. Acta 5, 406 (1960)] for estimating urinary metanephrine, used in the screening of hypertensive persons for pheochromocytoma, has been modified by replacing ion-exchange chromatography with differential solvent extraction. An internal standard is incorporated to correct for procedural losses. Interference from some related compounds is negligible. Normal-range values obtained for various age groups by the present method compare well with those obtained by Pisano’s procedure, but are higher than values reported for more specific methods.

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