Journal of Analytical Methods in Chemistry

Research Article

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

Table 1

Charges obtained for mercury film electroplating under different conditions.
ConditionCharge average/ 𝐶 𝑆 / 𝐶 𝐹 c a l 𝐹 c r i t
(1) Solution A/day X−1.25 × 10−5 ( 𝑛 = 1 2 )2.6 × 10−7 3.33 2.82
(2) Solution B/day X−1.14 × 10−5 ( 𝑛 = 1 2 )1.4 × 10−7
(3) Solution C/day X−1.25 × 10−5 ( 𝑛 = 8 )2.7 × 10−7 1.26 3.79
(4) Solution C/day Y−1.21 × 10−5 ( 𝑛 = 8 )3.0 × 10−7
* 𝑆 : standard deviation; 𝐹 c a l : calculated Snedecor 𝐹 value; 𝐹 c r i t : critical Snedecor 𝐹 value; 𝑛 : mercury film electroplating number.