The effect of barbituric acid concentration in the spectrophotometric determination of cyanide and thiocyanate by the pyridine-barbituric acid method

1985 ◽  
Vol 85 (5-6) ◽  
pp. 357-363 ◽  
Author(s):  
A. Sharma ◽  
R. J. Thibert
Keyword(s):  
Spectrophotometric Determination ◽  
Acid Concentration ◽  
Barbituric Acid ◽  
Acid Method

Relative Importance of Liver and Kidney in Synthesis of Uric Acid in Chickens

1972 ◽  
Vol 50 (10) ◽  
pp. 936-939 ◽  
Author(s):  
S. T. Chou
Keyword(s):  
Uric Acid ◽  
Spectrophotometric Determination ◽  
Acid Concentration ◽  
Broiler Chickens ◽  
Organ Weight ◽  
Relative Importance ◽  
Nitrogenous Compound ◽  
Inosinic Acid ◽  
Liver And Kidney

Broiler chickens of 1, 2, and 7 months of age were used for enzymatic spectrophotometric determination of uric acid and its precursors, xanthine, hypoxanthine, and inosinic acid, in the liver and kidney in an attempt to show the relative importance of the two organs in the synthesis of uric acid, the major nitrogenous compound excreted by birds.Uric acid concentration of the kidney was two to three times as high as the liver, probably attributable in part to preformed uric acid trapped in the urinary passages in the kidney. Significantly higher concentrations of xanthine, hypoxanthine, and inosinic acid were found in the kidney than in the liver. The calculations based on organ weight and the concentrations of uric acid precursors suggest that the kidney synthesizes 96, 60, and 73% as much uric acid as does the liver for the 1-, 2-, and 7-month-old chickens, respectively.

Spectrophotometric Determination of Barbituric Acid

1997 ◽  
Vol 30 (15) ◽  
pp. 2765-2777 ◽  
Author(s):  
Tehseen Aman ◽  
Islam-Ullah Khan ◽  
Zahida Parveen
Keyword(s):  
Spectrophotometric Determination ◽  
Barbituric Acid
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