1. Water paper
... . Material and Methods A. Presumptive Test: Inoculate three Lactose broth tube with 1 ml of water from each of the water sample A, B and C. Incubate at 37 degree C for 24-48 hours. Water sample turing yellow in color is positive for Acid and Bubble in Durham tube shows positive for Gas production in 24-48 hours positive presumptive test. B. Confirmed test includes Eosin ethylene Blue plate, which inhibits gram positive bacteria. Streak the plate ... for isolation and incubate at 37 degree C for 24 hours. Metallic green colonies Escherichia coli is confirmed positive. C. For completed tes...
- Word Count: 1303
- Approx Pages: 5