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- Title
Determination of ethylene glycol dinitrate in dynamites using HPLC: Application to the plastic explosive Goma-2 ECO.
- Authors
Sáiz, Jorge; Bravo, Juan Carlos; Ávila, Esperanza Velasco; Torre, Mercedes; García-Ruiz, Carmen
- Abstract
In this study, a sequential extraction method using water and methanol to recover ethylene glycol dinitrate or nitroglycol (EGDN) contained in Goma-2 ECO dynamite was developed. After, an HPLC method was used for the determination of EGDN in the two extracted phases. The analytical method was validated by evaluating its selectivity, sensitivity, linearity, and linear working concentration range, limit of detection and quantitation, precision (as repeatability and intermediate precision), accuracy, and robustness, providing appropriate values (i.e. RSD values for precision about 6% and accuracy about 100%). Finally, the EGDN content of a sample of the Goma-2-ECO dynamite was determined obtaining a concentration of 30.29%, which is in accordance with the manufacturer's specifications for this dynamite (25.7-31.4%).
- Publication
Journal of Separation Science, 2011, Vol 34, Issue 23, p3353
- ISSN
1615-9306
- Publication type
Article
- DOI
10.1002/jssc.201100523