The analysis of a water sample for MPN calculation in Multiple Tube Fermentation Test is given below:
|
Size of the sample (ml) |
Number of (+)ve tubes |
Number of (-)ve tubes |
|
1 |
4 |
1 |
|
0.1 |
3 |
2 |
|
0.01 |
3 |
2 |
|
0.001 |
0 |
5 |
The MPN using the Thomas equation is
Enter numerical value using the virtual keypad. Round off where necessary.