Byly to stany o charakterze przewleklym, a jako ich przyczyne podano ekspozycje na disiarczek wegla, kadm, olow, urotropine
i rozpuszczalniki organiczne.
3) is known as urotropine
. The molecule has a symmetric tetrahedral cage-like structure, similar to adamantane, whose four "corners" are nitrogen atoms and "edges" are methylene groups.
Phenol, vitriol (99%), formaldehyde (37%), urotropine
and HCl (37%) used were of analytical grade.
Having passed the selected exposure time in the study solution the plates were taken out, washed with water, immersed into 10% hydrochloric acid solution with urotropine
, once again washed with water, placed into a vessel with acetone, taken out, air-dried and weighted.