Journal of bacteriology . 1 jVi A 4 // / y y / ^^ ^r 1 Ai / /- --^ /^^. TIME tH HOURS figures. The room temperature curve is inserted here for com-parison. The Q fine shows the total acidity produced in the portioncorrected according to the boiling titration figures. In chart 5 all the total acidity lines of the various correctedportions are compared. As with the uncorrected portions as » This chart is typical also of the B2 30 and B26O sets. TITRATION AND ADJUSTMENT OF CULTURE MEDIA 217 noted in charts 1 and 2, the total acidity Unes fall into two groupsaccording to the method of titration. I
Journal of bacteriology . 1 jVi A 4 // / y y / ^^ ^r 1 Ai / /- --^ /^^. TIME tH HOURS figures. The room temperature curve is inserted here for com-parison. The Q fine shows the total acidity produced in the portioncorrected according to the boiling titration figures. In chart 5 all the total acidity lines of the various correctedportions are compared. As with the uncorrected portions as » This chart is typical also of the B2 30 and B26O sets. TITRATION AND ADJUSTMENT OF CULTURE MEDIA 217 noted in charts 1 and 2, the total acidity Unes fall into two groupsaccording to the method of titration. If chart 5, showing the total rises in acidity of the series B30 C,B 60 C, B 120 C and the series Ba 30 C, B2 60 C, B2 120 C, wereapplied successively to the corresponding curves of the uncor-rected series in charts 1 and 2, so that the point of origin in eachset were the same, it would be seen that in every instance the 7HART ,5 /, ?7^ / ./ y ^ ?^ r56W # ?r/ *^ «> -^c* i^ 560C» /.f ?^;- H=^* total rise of acidity of the corrected curve equals or exceeds
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