Determination of Nitroaromatic, Nitramine, and Nitrate Ester Explosives in Water Using SPE and GC-ECD
Table 1. Nitroaromatic, nitramine, and nitrate ester explosives
Table 3. Summary of GC methods for the determination of explosives in water
EXPERIMENTAL METHODS - CR98_020010
RESULTS AND DISCUSSION - CR98_020011
Confirmation columns - CR98_020012
Figure 2. Chromatograms obtained on confirmation columns
Effect of injection-port temperature
Instability of low-concentration trinitroaromatic standards
Residual water in acetonitrile
Feasibility of SPE and GC-ECD for explosives
Field samples - CR98_020018
Table 11. Recovery and repeatability of GC and HPLC determinations of analyte concentrations in spiked water samples
Figure 7. Chromatograms for one water sample obtained from LAAP
Spike recovery and method detection limits
Table 13. Effect of calibration method on concentration estimates for spiked 500-mL water samples preconcentrated to 5.0 mL acetonitrile using Empore SDB-RPS disks
CONCLUSIONS - CR98_020023
LITERATURE CITED-continue - CR98_020024
APPENDIX A: DATA - CR98_020025
Table A1. Concentration (g/L) estimates obtained using three different calibration methods for seven replicate spiked samples
Table A2. MDLs obtained when 10 replicate 0.01 g/L 1-L water samples were preconcentrated to 4.0 mL acetonitrile
APPENDIX B: DETERMINATION OF NITROAROMATICS, NITRAMINES, AND NITRATE ESTERS BY SPE AND GC-ECD
EQUIPMENT AND SUPPLIES
SAMPLE COLLECTION, HANDLING AND PRESERVATION
Calibration of GC
PROCEDURE - CR98_020033
DATA ANALYSIS AND CALCULATIONS - CR98_020034
Report Documentation Page - CR98_020035
ABSTRACT-continued - CR98_020036
CR98_02
Table 1. Nitroaromatic, nitramine, and nitrate ester explosives
Table 3. Summary of GC methods for the determination of explosives in water
EXPERIMENTAL METHODS - CR98_020010
RESULTS AND DISCUSSION - CR98_020011
Confirmation columns - CR98_020012
Figure 2. Chromatograms obtained on confirmation columns
Effect of injection-port temperature
Instability of low-concentration trinitroaromatic standards
Residual water in acetonitrile
Feasibility of SPE and GC-ECD for explosives
Field samples - CR98_020018
Table 11. Recovery and repeatability of GC and HPLC determinations of analyte concentrations in spiked water samples
Figure 7. Chromatograms for one water sample obtained from LAAP
Spike recovery and method detection limits
Table 13. Effect of calibration method on concentration estimates for spiked 500-mL water samples preconcentrated to 5.0 mL acetonitrile using Empore SDB-RPS disks
CONCLUSIONS - CR98_020023
LITERATURE CITED-continue - CR98_020024
APPENDIX A: DATA - CR98_020025
Table A1. Concentration (g/L) estimates obtained using three different calibration methods for seven replicate spiked samples
Table A2. MDLs obtained when 10 replicate 0.01 g/L 1-L water samples were preconcentrated to 4.0 mL acetonitrile
APPENDIX B: DETERMINATION OF NITROAROMATICS, NITRAMINES, AND NITRATE ESTERS BY SPE AND GC-ECD
EQUIPMENT AND SUPPLIES
SAMPLE COLLECTION, HANDLING AND PRESERVATION
Calibration of GC
PROCEDURE - CR98_020033
DATA ANALYSIS AND CALCULATIONS - CR98_020034
Report Documentation Page - CR98_020035
ABSTRACT-continued - CR98_020036
CR98_02
