Sheet 3 - Detection of Escherichia coli and coliform bacteria

3 Sheet 3 - Detection of Escherichia coli and coliform bacteria 

Sterile lactose-peptone broth in suitable vessels, double-strength for 100 ml and 10 ml water (broth I), single-strength for 1 ml and 0.1 ml water (broth II) with Durham tubes (see Recipe 3) 

Complete membrane-filter unit as working sheet 2 

Platinum loop, platinum needle, burner for flaming and annealing 

Endo-agar for cleaning passages or for producing individual colonies (see Recipe 4) 

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