𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Separation strategies for the determination of residues of explosives in soils using micellar electrokinetic capillary chromatography

✍ Scribed by Elmar Mussenbrock; Wolfgang Kleiböhmer

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
643 KB
Volume
7
Category
Article
ISSN
1040-7685

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Micellar electrokinetic capillary chromatography (MEKC) separation strategies for the determination of residues of explosives in soils are presented. Compared to former publications, the number of explosives determined was increased up to 24 compounds in which all EPA priority substances are included. Separation characteristics were investigated as a function of different organic modifiers. Using 1 vol% of methanol, separation was realized for all 24 compounds, including all of the isomers of the mono‐and dinitrotoluenes. Furthermore, the lipophilic and hydrophilic parts of the surfactant were varied, and the best separation characteristics were obtained with sodium dodecyl sulphate (SDS). Even the suitability of mixed micelles for the analysis of nitroaromatics was tested. With the help of mixed micelles consisting of SDS and the amphoteric surfactant SB‐12, separation of 22 out of 24 explosives was realized. With significantly changed selectivities, complete separation required less than 12 minutes.

📜 SIMILAR VOLUMES

Use of cyclodextrins for the separation
Use of cyclodextrins for the separation of monoterpene isomers by micellar electrokinetic capillary chromatography
✍ Maria Regina A. Rodrigues; Elina B. Caramão; Lourdes Arce; Angel Rios; Miguel Va 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 110 KB

The micellar electrokinetic capillary chromatographic method for the determination of monoterpenes such as camphene, ␣-pinene, ␤-pinene, ␥terpinene, ␣-terpinene, terpinolene and p-cymene was established. Addition of Ž . cyclodextrins CDs to the buffer solution permits the separation of these monoter

Separation of isomers of acyl glucuronid
Separation of isomers of acyl glucuronides using micellar electrokinetic capillary chromatography in dynamically coated capillaries
✍ Steen H. Hansen; Ida Christiansen 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 94 KB 👁 1 views

## Abstract The acyl glucuronide metabolites of endogenous as well as of xenobiotic compounds may undergo isomerization __in vitro__ as well as in the human body. The parent acyl glucuronide and the isomerization products may react with endogenous protein to form products which in worst cases may a

Optimization of selectivity in capillary
Optimization of selectivity in capillary zone electrophoresis and micellar electrokinetic capillary chromatography using the iterative regression strategy
✍ Corstjens, Hugo ;Oord, André E. E. ;Billiet, Hugo A. H. ;Frank, Johannes ;Luyben 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 772 KB

## Abstract An iterative regression design has been used in the optimization of selectivity in capillary zone electrophoresis and micellar electrokinetic capillary chromatography. This strategy, initially developed for HPLC, is modified in respect of the choice of the parameter(s) and the parameter