Micelle Mediated Trace Level Sulfide Quantification through Cloud Point Extraction
Table 3
Determination of dissolved sulfide from leachate samples.
Sample
Sulfide found (ppm)
Sulfide added (ppm)
Total sulfide (ppm)
Recovery of added sulfide (%)
Proposed method
Standard method
Proposed method
Standard method
Proposed method
Standard method
A*
—
—
—
—
—
B*
1.0
99.31
102.34
C*
2.0
99.00
102.98
D*
ND
ND
1.0
103.00
102.00
D**
ND
ND
1.0
109.00
102.00
Values given here are the average of three measurements ± RSD. ND- not detected.
*Sulfide determined by aqueous procedure.
**Sulfide determined by cloud point extraction procedure.