REFERENCES
- Adegbite, O.A. (1989). Determination of sulfur and nitrogen contents of some Nigerian coal and crude oil samples. Technical paper presented to Nigerian National Petroleum Corporation.
- Ademoroti, C.M. A. (1996). Standard methods for water and effluent analysis. Ibadan, Nigeria: Foludex Press.
- Alam, R., Shang, J.Q., and Cheng, X. (2012). Optimization of digestion parameters for analyzing the total sulfur of mine tailings by inductively coupled plasma optical emission spectrometry. Environ. Monit. Assess. 184:3373–3387.
- Atar, E., Cheskis, S., and Amirav, A. (1991). Pulsed flame: a novel concept for molecular detection. Anal. Chem. 63:2061–2064
- Department of Petroleum Resources Nigeria. (2010). Guidelines and Specification for permit to import petroleum products. Lagos, Nigeria: Department of Petroleum Resources Nigeria.
- Farroha, S.M., Habboush, A.E., and Michael, M.N. (1984). Determination of milligram amounts of sulfur in hydrocarbons by constant current coulometry. J. Anal. Chem. 56:1182–1183.
- Link, D.D., Baltrus, J.P., Rothenberger, K.S., Zandhuis, P., Minus, D., and Striebich, R.C. (2002). Rapid determination of total sulfur in fuels using gas. J. Chromatograph. Sci. 40:1–4.
- Nadkarni, R.A. K. (2000). Determination of sulfur in petroleum products and lubricants: A critical review of test performance. Amer. Lab. 32:16–25.
- Nadkarni, R.A. K. (2004). The challenges of sulfur analysis in petroleum products and lubricants. West Conshohocken, PA: ASTM International.
- Nigerian National Petroleum Corporation. (2011). Annual statistical bulletin. Abuja, Nigeria: Nigerian National Petroleum Corporation.
- Oderinde, R.A. (1989). Studies on Nigerian petroleum; Part 2: Nature and distribution of sulfur compounds in UQCC crude and the comparative evaluation with selected Middle East crudes, Nigeria. J. Sci. 23:64–68.
- Quimby, B.D., Giarrocco, V., Sullivan, J.J., and McCleary, K.A. (1992). Fast analysis of oxygen and sulfur compounds in gasoline by GC–AED. J. High Resolut. Chromatogr. 15:705–709.
- Rand, S. (2003). Manual on significance of tests for petroleum products (seventh ed.). West Conshohocken, PA: ASTM International.
- Shearer, R.L., Poole, E.B., and Nowalk, J.B. (1993). Application of gas chromatography and flameless sulfur chemiluminescence detection to the analysis of petroleum products. J. Chromatogr. Sci. 31:82–87.
- Skoog, A.D., Holler, F.J., and Nieman, T.A. (2007). Principles of instrumental analysis ( 6th ed.). Belmont, CA: Thomson Brooks/Cole.
- Sonibare, J.A., and Jimoda, L.A. (2009). Criteria air pollutants from some antropogenic combustion processes in Lagos, Nigeria. Energy Sources, Part A: Recov. Util. Environ. Effects 31:923–935.
- Tijjani, N., Ike, P.O., Usman, B.B., Malami, D.I., and Alaere, M. (2012). Trace elemental analysis of Nigerian petroleum products using AAS method. Int. J. Sci. Eng. Res. 3:1–5.
- U.S. Environmental Protection Agency. (2013). Gasoline sulfur standards. Retrieved from http://www.epa.gov/otaq/standards/fuels/gas-sulfur.htm