Coliforms Presence/Absence (PA) Test

Coliforms Presence/Absence (PA) Test

What is Presence/Absence Test? Principle of Presence/Absence Test Objective of Presence/Absence Test PA Broth Preparation Composition Ingredients Gms / Litre Peptic digest of animal tissue 5.000 Tryptose 9.830 Beef extract 3.000 Lactose 7.460 Sodium chloride 2.460 Dipotassium phosphate 1.350 Monopotassium phosphate 1.350 Sodium lauryl sulphate 0.050 Bromo cresol purple 0.0085 Final pH ( at 25°C) … Read more

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