Browsing by Author
Ncube, Esper Jacobeth
Showing results 1 to 4 of 4
| Issue Date | Title | Author(s) |
| 2015 | Improved derivatization protocol for simultaneous determination of alkylphenol ethoxylates and brominated flame retardants followed by gas chromatography-mass spectrometry analyses. | Okonkwo, Jonathan. O ; Sibali, Linda. L ; Chokwe, Tlou. B ; Ncube, Esper Jacobeth |
| 2015 | An integrated method for the simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in sewage sludge samples by ultrasonic-assisted extraction, solid phase clean-up, and GC-MS analysis | Chokwe, Tlou. B ; Okonkwo, Jonathan. O ; Sibali, Linda. L ; Ncube, Esper Jacobeth |
| 2012 | Optimization and simultaneous determination of alkyl phenol ethoxylates and brominated flame retardants in water after SPE and heptafluorobutyric anhydride derivatization followed by GC/MS | Chokwe, Tlou. B ; Okonkwo, Jonathan. O ; Sibali, Linda. L ; Ncube, Esper Jacobeth |
| 2015 | A simplified analytical procedure for simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in fish tissue samples from Vaal River, South Africa. | Chokwe, Tlou. B ; Okonkwo, Jonathan. O ; Sibali, Linda. L ; Kruger, Elmari ; du Preez, Hein ; Hariram, Reveck ; Ncube, Esper Jacobeth |