An Aqueous High-Performance Liquid Chromatographic Procedure for the Determination of 5-Hydroxymethylfurfural in Honey and Other Sugar-containing Materials

2006 ◽  
Vol 71 (3) ◽  
pp. C179-C184 ◽  
Author(s):  
Charles H. Risner ◽  
Melissa J. Kiser ◽  
Michael F. Dube
Keyword(s):  
High Performance ◽  
High Performance Liquid Chromatographic ◽  
Chromatographic Procedure ◽  
Liquid Chromatographic

Reverse Phase High Performance Liquid Chromatographic Determination of Phenprocoumon in Tablets

1982 ◽  
Vol 65 (3) ◽  
pp. 753-756
Author(s):  
Walter F Schmidt
Keyword(s):  
High Performance ◽  
Internal Standard ◽  
Chromatographic Determination ◽  
High Performance Liquid Chromatographic ◽  
Reverse Phase ◽  
Assay Procedure ◽  
Chromatographic Procedure ◽  
Liquid Chromatographic Determination ◽  
Liquid Chromatographic

Abstract A high performance liquid chromatographic procedure has been developed for the assay of phenprocoumon in tablets. In comparison to the present official USP assay procedure, it is equivalent in precision and accuracy and is faster and more specific. A mobile phase consisting of a 1% solution of acetic acid in acetonitrile-water (4 + 3) separates phenprocoumon from warfarin internal standard on a 6 μm octadecylsilane (ODS) column with UV detection at 311 nm. The method enables the concurrent determination of phenprocoumon and possible contaminants such as salicylic acid.

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