|
| Table
1. Comparison between proposed method and official method (iodometric). |
|
Amount of H2S Detected by iodometric method (µmol) |
Amount of H2S Detected by conductimetric method (µmol) |
Confidence Interval for Conductimetric method (µmol) |
t-value (Critical t-valuea = 1.860) |
f-value (Critical F-valueb = 6.388) |
|
0.500 |
0.502 |
± 0.02 |
0.144 |
2.031 |
|
5.060 |
5.078 |
± 0.03 |
1.068 |
0.844 |
|
15.028 |
15.048 |
± 0.07 |
0.338 |
3.969 |
|
25.136 |
25.164 |
± 0.03 |
1.667 |
1.431 |
|
35.260 |
35.300 |
± 0.08 |
1.195 |
0.287 |
| a The
critical t-value with 95% confidence at 4-degrees of freedom. |
|
|