Coliform, Fecal Coliform, E.coli – SMEWW 9221: Multiple-tube fermentation technique 3 or 5 sample-portions? How to combine E.coli results?

1.1. 3 or 5 serial sample-portion (dilutions) SMEWW 9221C indicates the use of 3 and 5 sample sample-portion (10, 1, 0.1 ml). As I understand, both are fine. If using 3, you can dilute the sample...

22 December 2023 7,151 0 View