. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. VOL. 12 (1953) CARCINOGENIC COMPOUNDS, PURINES AND NUCLEIC ACID 79 The effect of pH on the amount of 3:4-5:6-dibenzcarbazole remaining in solution after the precipitation of the molecular complex is almost negligible, but the amount which dissolves before precipitation begins, and therefore, the amount precipitated as a molecular compound increases with an increase in pH (Fig. 3). £4001 S â 8 p. 300 -Q â 6 200- 100. 8 10 12 PH Fig. 3. Effect of
. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. VOL. 12 (1953) CARCINOGENIC COMPOUNDS, PURINES AND NUCLEIC ACID 79 The effect of pH on the amount of 3:4-5:6-dibenzcarbazole remaining in solution after the precipitation of the molecular complex is almost negligible, but the amount which dissolves before precipitation begins, and therefore, the amount precipitated as a molecular compound increases with an increase in pH (Fig. 3). £4001 S â 8 p. 300 -Q â 6 200- 100. 8 10 12 PH Fig. 3. Effect of pH on the pre- cipitation of the 3 :4-5 :6-dibenz- carbazole-caffeine cone, of dibenzcarbazole in M caffeine before precipitation of the complex; F^ cone, of dibenz- carbazole in M caffeine after precipitation of the complex; F^- F^, dibenzcarbazole precipitated as complex. 300- f â Q C>l00i. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Burk, Dean. Amsterdam, Houston, Elsevier Pub. Co.
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