I think an small increase  in duration for stat potions and detection potion would be a good thing. Say an increase of 10 seconds or something long that line.

If I pop them from the character screen, close it, stat fighting/open the map, it potion wears off in a few seconds, not really giving a decent amount of time to utilize it.

Yes currently potion lasting time is too short, a more precise info on what potion do would be nice in game, maybe in a pop up.