A new tool for inorganic nitrogen speciation study: Simultaneous determination of ammonium ion, nitrite and nitrate by ion chromatography with post-column ammonium derivatization by Nessler reagent and diode-array detection in rain water samples

2006 ◽  
Vol 577 (2) ◽  
pp. 220-224 ◽  
Author(s):  
Przemysław Niedzielski ◽  
Iwona Kurzyca ◽  
Jerzy Siepak
Keyword(s):  
Ion Chromatography ◽  
Water Samples ◽  
Inorganic Nitrogen ◽  
Ammonium Ion ◽  
Diode Array ◽  
Diode Array Detection ◽  
Speciation Study ◽  
Nessler Reagent ◽  
Array Detection

Development and optimization of the SPE procedure for determination of pharmaceuticals in water samples by HPLC-diode array detection

2009 ◽  
Vol 33 (2) ◽  
pp. 258-267 ◽  
Author(s):  
Dragana Mutavdžić Pavlović ◽  
Sandra Babić ◽  
Davor Dolar ◽  
Danijela Ašperger ◽  
Krešimir Košutić ◽  
...  
Keyword(s):  
Water Samples ◽  
Diode Array ◽  
Diode Array Detection ◽  
Array Detection

Development and optimization of the determination of pharmaceuticals in water samples by SPE and HPLC with diode-array detection

2013 ◽  
Vol 36 (18) ◽  
pp. 3042-3049 ◽  
Author(s):  
Dragana Mutavdžić Pavlović ◽  
Danijela Ašperger ◽  
Dijana Tolić ◽  
Sandra Babić
Keyword(s):  
Water Samples ◽  
Diode Array ◽  
Diode Array Detection ◽  
Array Detection

scholarly journals Application of HPLC and TLC with Diode Array Detection After SPE to the Determination of Pesticides in Water Samples from the Zemborzycki Reservoir (Lublin, Southeastern Poland)

2010 ◽  
Vol 93 (6) ◽  
pp. 1748-1756 ◽  
Author(s):  
Tomasz Tuzimski
Keyword(s):  
Quantitative Analysis ◽  
Water Samples ◽  
Array Detector ◽  
Diode Array ◽  
Diode Array Detection ◽  
Diode Array Detector ◽  
Real Water Samples ◽  
Pesticides In Water ◽  
Array Detection

Abstract The application of TLC with a diode array detector (TLC-DAD) and HPLC-DAD after SPE for identification and quantitative analysis of pesticides in water samples is demonstrated. The procedures described for the determination of compounds are inexpensive and can be applied to routine analysis of analytes in water samples after preliminary cleanup and concentration by SPE. Average recoveries for four different cartridges and three solvents by the proposed HPLC-DAD method after SPE also are presented. The efficiency of the SPE procedure was evaluated using real water samples from the Zemborzycki Reservoir, near Lublin, southeastern Poland. The method was validated for precision, repeatability, and accuracy.

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