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What is Phenol test or Reidel walker test is done to determine? and explain in detail?
TESTING OF DISINFECTANTS There is no single reliable test available to detrmine the efficacy of a disinfectant. This is due to the number of parameters which influence disinfectant activityy. Traditionally in such tests phenol is taken as standard. In Rideal -Walker test, suspension containig equal number of typhoid bacilli are submitted to the action of varying concentration of phenol and of disinfectant to be tested . REF:Ananthanarayan & Panicker's Textbook of Microbiology 8th Edition pg no : 38