Volume 70, Issue 9 pp. 1090-1092
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Formation of methyl ester of salicyluric acid during quantitation of salicyluric acid in urine by high-pressure liquid chromatography

R. O. Day

R. O. Day

Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024

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S. H. Dromgoole

Corresponding Author

S. H. Dromgoole

Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024

Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024Search for more papers by this author
D. E. Furst

D. E. Furst

Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024

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C. Hignite

C. Hignite

Department of Clinical Pharmacology, Veterans Administration Hospital, Kansas City, MO 66103

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H. E. Paulus

H. E. Paulus

Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024

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First published: September 1981
Citations: 1

Abstract

The formation of the methyl ester of salicyluric acid was observed during the quantitation of salicyluric acid and other salicylate metabolites in urine by high-pressure liquid chromatography. This methyl ester formation caused artificially low values for salicyluric acid and high values for salicylic acid.

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