[Determination of formaldehyde and ammonia in air when present together].
D000388:Air / Q000032:analysis*; D000641:Ammonia / Q000032:analysis*; D005557:Formaldehyde / Q000032:analysis*
D005557:Formaldehyde; D000641:Ammonia
Opredelenie formal'degida i ammiaka v vozdukhe pri ikh sovmestnom prisutstvii