Paper chromatography: with a solution of 2 g of trisodiumcitrate in 100 ml 5 % ammonium hydroxide, cochineal gives only a single stain in the alkaline zone.
Papirna kromatografija: Košenilja z raztopino 2 g trinatrijevega citrata v 100 ml 5 % amonijevega hidroksida, odda samo en madež v alkalnem območju.