Ion-pair reversed-phase HPLC method for the identification and determination of phosphothiamine in cocarboxylase hydrochloride

1997 ◽  
Vol 31 (5) ◽  
pp. 274-275
Author(s):  
S. V. Kuz'min ◽  
E. E. Ishina ◽  
M. L. Shishova ◽  
V. A. Kozlov
Keyword(s):  
Reversed Phase ◽  
Hplc Method ◽  
Ion Pair ◽  
Reversed Phase Hplc

An ion-pair reversed-phase HPLC method for determination of fresh tissue adenine nucleotides avoiding freeze–thaw degradation of ATP

2009 ◽  
Vol 388 (1) ◽  
pp. 108-114 ◽  
Author(s):  
Stephanie zur Nedden ◽  
Robert Eason ◽  
Alexander S. Doney ◽  
Bruno G. Frenguelli
Keyword(s):  
Adenine Nucleotides ◽  
Reversed Phase ◽  
Hplc Method ◽  
Ion Pair ◽  
Reversed Phase Hplc ◽  
Fresh Tissue ◽  
Freeze Thaw

Determination of 5-hydroxymethyl-2-furaldehyde in royal jelly by a rapid reversed phase HPLC method

2013 ◽  
Vol 5 (19) ◽  
pp. 5010 ◽  
Author(s):  
Marco Ciulu ◽  
Roberta Farre ◽  
Ignazio Floris ◽  
Valeria M. Nurchi ◽  
Angelo Panzanelli ◽  
...  
Keyword(s):  
Royal Jelly ◽  
Reversed Phase ◽  
Hplc Method ◽  
Reversed Phase Hplc

scholarly journals Simultaneous Determination of Preservatives (Methyl Paraben and Propyl Paraben) in Sucralfate Suspension Using High Performance Liquid Chromatography

2011 ◽  
Vol 8 (1) ◽  
pp. 340-346 ◽  
Author(s):  
Rajesh M. Kashid ◽  
Santosh G. Singh ◽  
Shrawan Singh
Keyword(s):  
High Performance Liquid Chromatography ◽  
Simultaneous Determination ◽  
Mobile Phase ◽  
High Performance ◽  
Reversed Phase ◽  
Hplc Method ◽  
Reversed Phase Hplc ◽  
Methyl Paraben ◽  
Propyl Paraben

A reversed phase HPLC method that allows the separation and simultaneous determination of the preservatives methyl paraben (M.P.) and propyl paraben (P.P.) is described. The separations were effected by using an initial mobile phase of water: acetonitrile (50:50) on Inertsil C18 to elute P.P. and M.P. The detector wavelength was set at 205 nm. Under these conditions, separation of the two components was achieved in less than 10 min. Analytical characteristics of the separation such as precision, specificity, linear range and reproducibility were evaluated. The developed method was applied for the determination of preservative M.P. and P.P. at concentration of 0.01 mg/mL and 0.1 mg/mL respectively. The method was successfully used for determining both compounds in sucralfate suspension.

A New Reversed Phase HPLC Method for the Determination of Spiramycins I, II and III

1998 ◽  
Vol 11 (3) ◽  
pp. 167-171 ◽  
Author(s):  
Shabana I. Khan ◽  
David C. Limburg ◽  
Iklas A. Khan ◽  
John S. Williamson
Keyword(s):  
Reversed Phase ◽  
Hplc Method ◽  
Reversed Phase Hplc

Chiral Chromatography Studies of Chemical Behavior of Cinacalcet on Polysaccharide Chiral Reversed-Phase HPLC Stationary Phases

2012 ◽  
Vol 95 (6) ◽  
pp. 1639-1643 ◽  
Author(s):  
Michal Douša ◽  
Jiřiacute; Břicháč
Keyword(s):  
Chiral Stationary Phase ◽  
Stationary Phases ◽  
Active Pharmaceutical Ingredient ◽  
Reversed Phase ◽  
Hplc Method ◽  
Reversed Phase Hplc ◽  
Chiral Chromatography ◽  
Chemical Behavior ◽  
Analytical Resolution

Abstract A rapid HPLC method for the analytical resolution of cinacalcet enantiomers was developed. Four chiral columns (two amylose and two cellulose type) were evaluated in RP systems. Excellent enantioseparation with a resolution of more than 6 was achieved on Chiralpak AY (amylose 5-chloro-2-methylphenylcarbamate chiral stationary phase) using 10 mM triethylamine (pH 8.0)–acetonitrile (40 + 60, v/v) mobile phase. Validation of the HPLC method, including linearity, LOD, LOQ, precision, accuracy, and selectivity, was performed according to the International Conference on Harmonization guidelines. The method was successfully applied for the determination of (S)-cinacalcet in enantiopure active pharmaceutical ingredient (R)-cinacalcet.

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