Membrane Assisted Simultaneous Extraction and Derivatization with Triphenylphosphine of Elemental Sulfur in Arabian Crude Samples by Gas Chromatography/Mass Spectrometry

Table 1

Extraction recoveries of elemental sulfur after SBME-GC/MS.

Analyte	Concentration in (µg/mL); Arabian medium; crude	Amount added; (µg/mL)	Amount found; (µg/mL)	%RSD	%RR
Elemental sulfur		5	16.07	4	98.8
	11.27 ± 0.43
		5	16.64	6	101.2
		5	16.47	7	98.2