| |
PV (meq/kg) |
P1 |
| Test |
Control |
| Exposure time (h) |
0 |
1.167 ± 0.252 |
1.167 ± 0.252 |
ns |
| 1 |
1.167 ± 0.252 |
1.167 ± 0.252 |
ns |
| 2 |
1.170 ± 0.252 |
1.167 ± 0.252 |
ns |
| 3 |
1.173 ± 0.257 |
1.167 ± 0.252 |
ns |
| 5 |
1.180 ± 0.256 |
1.170 ± 0.252 |
ns |
| 7 |
1.183 ± 0.261 |
1.173 ± 0.252 |
ns |
| 9 |
1.200 ± 0.271 |
1.173 ± 0.257 |
ns |
| 12 |
1.207 ± 0.276 |
1.177 ± 0.257 |
ns |
| 14 |
1.237 ± 0.235 |
1.183 ± 0.278 |
ns |
| P2 |
ns |
ns |
|
The values are given as mean ± standard deviation
1Comparison of PV between essay and control at the same exposure time
2Comparison of PV between different exposure time
ns: No significant difference at P<0.05 |
