phenol coefficient

noun

, Chemistry.

the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria.

(b) Similarly obtain the phenol coefficient at 30 minutes contact period.

The first method—phenol coefficient—possesses advantages and disadvantages which are well known and need no mention here.

This is in substantial accord with the referees findings as regards the phenol-coefficient with B. typhosus as the test object.

The phenol coefficient, determined by the Hygienic Laboratory method, was found to be 0.05.

According to these tests Ziratol possesses a phenol-coefficient of 13.66.

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