scholarly journals The colorimetric determination of cystine by means of the uric acid reagent

1930 ◽  
Vol 24 (4) ◽  
pp. 1114-1118 ◽  
Author(s):  
Claude Rimington
Keyword(s):  
Uric Acid ◽  
Colorimetric Determination ◽  
Acid Reagent

scholarly journals COLORIMETRIC DETERMINATION OF URIC ACID

1922 ◽  
Vol 50 (1) ◽  
pp. 55-63 ◽  
Author(s):  
J.Lucien Morris ◽  
A.Garrard Macleod
Keyword(s):  
Uric Acid ◽  
Colorimetric Determination

A Simplified Procedure for the Routine Determination of Uric Acid

1959 ◽  
Vol 5 (6) ◽  
pp. 623-633 ◽  
Author(s):  
Mohinder P Sambhi ◽  
Arthur Grollman
Keyword(s):  
Uric Acid ◽  
Serum Uric Acid ◽  
Clinical Significance ◽  
Colorimetric Determination ◽  
Clinical Use ◽  
Simplified Procedure

Abstract 1. A method for the colorimetric determination of serum uric acid is described which involves the adsorption of uric acid by an ionexchange resin and the addition of N-ethylmaleimide to remove interfering chromogens. 2. The procedure is simple, accurate, and suitable for routine clinical use. 3. The clinical significance of serum uric acid levels is discussed.

Colorimetric Determination of Procaine Penicillin in Mixed Feeds

1965 ◽  
Vol 48 (4) ◽  
pp. 702-704
Author(s):  
Loyal R Stone
Keyword(s):  
Chemotherapeutic Agents ◽  
Colorimetric Determination ◽  
Procaine Penicillin ◽  
Acid Reagent ◽  
Mixed Feeds ◽  
Colorimetric Procedure

Abstract Procaine penicillin is determined by a rapid colorimetric procedure based on conversion of penicillin to penicillamine which turns blue with arsenomolybdic acid reagent. The presence of other antibiotics and chemotherapeutic agents in the feed does not interfere. The method is suitable over the range 10–100 g procaine penicillin per ton of feed.

Effects of Tomatine on the Colorimetric Determination of Cholesterol by the Zak Procedure

1967 ◽  
Vol 13 (6) ◽  
pp. 468-474 ◽  
Author(s):  
Cleamond D Eskelson ◽  
Arthur L Dunn ◽  
Clarence R Cazee
Keyword(s):  
Acetic Acid ◽  
Free Cholesterol ◽  
Colorimetric Determination ◽  
Acid Reagent ◽  
Standard Solution

Abstract The iron-acetic acid reagent used for cholesterol determinations produces a color with tomatine, which is reported to be a more specific precipitant for cholesterol. To circumvent the interferen:e of tomatine found in a cholesterol-tomatinide complex, a standard solution containing stoichiometric amounts of tomatine and cholesterol was used and proved to be reliable for the determination of free cholesterol in serum.

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