Microbiology 9th Edition by Laura Black, Jacquelyn Black

تمرين 5

Which of the following is true of the phenol coefficient test?
(a) Uses Salmonella typhi and Staphylococcus aureus
(b) Uses phenol as the standard chemical against which other chemicals are compared
(c) If a chemical has a phenol coefficient less than 1.0, it is less effective than phenol
(d) It is particularly reliable for chemicals derived from phenol
(e) All of these