Stabilizer reactions in cast double base rocket propellants. Part I: HPLC Determination of Stabilizers and their derivatives in a propellant containing the stabilizer mixture para-nitro-N-methylaniline and 2-nitrodiphenylamine aged at 80°C and 90°C

1991 ◽  
Vol 16 (5) ◽  
pp. 235-239 ◽  
Author(s):  
J. M. Bellerby ◽  
M. H. Sammour
Keyword(s):  
Hplc Determination ◽  
Rocket Propellants ◽  
Double Base

A new method for the HPLC determination of gamma-hydroxybutyric acid (GHB) following derivatization with a coumarin analogue and fluorescence detection

Talanta ◽  
2008 ◽  
Vol 75 (2) ◽  
pp. 356-361 ◽  
Author(s):  
Constantinos K. Zacharis ◽  
Nikolaos Raikos ◽  
Nikolaos Giouvalakis ◽  
Helen Tsoukali-Papadopoulou ◽  
Georgios A. Theodoridis
Keyword(s):  
Fluorescence Detection ◽  
New Method ◽  
Hplc Determination ◽  
Hydroxybutyric Acid

HPLC DETERMINATION OF LINURON RESIDUES IN ASPARAGUS FOLLOWING PRE- AND EARLY POSTEMERGENCE APPLICATIONS

1990 ◽  
Vol 70 (2) ◽  
pp. 591-597 ◽  
Author(s):  
ALLAN J. CESSNA
Keyword(s):  
British Columbia ◽  
Residue Analysis ◽  
Hplc Determination

In a 2-yr study, residues of the herbicide linuron were determined by HPLC in asparagus which had been treated at two sites in British Columbia with both post- and preemergence applications at 1.1 and 2.2 kg ha−1. Maximum linuron residues detected in preemergence samples were in the order of 10 μg kg−1, whereas maximum residues in the postemergence samples were greater than 400 μg kg−1. Recoveries of linuron from fortified asparagus tissue were 92.2 ± 11.2% at the 10 μg kg−1 fortification level.Key words: Linuron, asparagus, preemergence application, residues, residue analysis

HPLC Determination of Furfural after Preliminary Extraction to Aqueous Phase

2007 ◽  
Vol 30 (14) ◽  
pp. 2081-2093 ◽  
Author(s):  
Hossein Sid Kalal ◽  
Mohamad Khayatzadeh Mahani ◽  
Mohamad Ghanadi Maragheh ◽  
Marzieh Chaloosi
Keyword(s):  
Aqueous Phase ◽  
Hplc Determination ◽  
Preliminary Extraction
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