ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

The colorimetric determination of trypaflavine

F. Sokol

Czechoslovak Academy of Sciences, Bratislava.

Abstract: A colorimetric method with photo-elec. spectrophotometer based on the quant. detn. of trypaflavine (I) in H₂O solns. is described. I is diazotized in both amino groups and then coupled with N-(1-naphthyl)ethylenediamine. This method can be used to det. I in liquids after pptg. the flu virus, and traces of I in biol. material.

Full paper in Portable Document Format: 98a489.pdf (in Slovak)

Chemical Papers 9 (8) 489–493 (1955)