Use of Hg-Electroplated-Pt Ultramicroelectrode for Determining Elemental Sulphur in Naphtha Samples

Table 4

Recovery results for real naphtha sample, pure and fortified.

Sample	𝑆added/mg L^−1	AreaDBACC/nW	𝑆found/mg L^−1	Recovery/%
1	—	7.15×10^−1±0.03	0.360±0.065	—
2	0.250	9.09×10^−1±0.14	0.480±0.003	79

*Area_DBACC: difference of area value between elemental sulphur calculated before and after passing the sample through the copper column.