Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector9081010.17816/kazmj90810MiscellaneousA new clinical indicator for urine. Mark-Walder (Schweiz. med. W., 1928, No. 1-2)150619282465865862112202121122021Copyright © 1928, Eco-Vector1928<p>The author suggests as such a mixture of equal parts of red methylene dye (Methylrot) and methylene blue in an alcoholic solution (0.5 per 1000.0 alcohol); this mixture in an acidic solution has a blue color, and in an alkaline solution is green.</p>Kazan Medical archiveКазанский медицинский архив