<page_title> Cohn process </page_title> <section_title> Process variations </section_title> <table> <cell> 19 <col_header> A </col_header> </cell> <cell> 5.85 <col_header> A </col_header> </cell> </table>
In Cohn process, the Precipitate A, was done at an ethanol concentration of 19%, with the pH of 5.85.