| Items |
Sodium hydroxide method |
Silver nitrate method |
Reference method (2) |
| Mean± S.D P=0.05 |
99.57±1.413 |
99.18±1.347 |
99.65± 0.98 |
| N |
5 |
5 |
5 |
| V |
1.948 |
1.816 |
0.961 |
| S.D |
1.413 |
1.347 |
0.980 |
| R.S.D |
1.419 |
1.358 |
0.983 |
| t |
0.924(2.570) |
0.631(2.57) |
|
| F |
2.078(5.19) |
1.878(5.19) |
|
Theoretical values of t and F at P=0.05 |
