Yes Mord, this is true. But not only IR-countermeasures contain this element, but forefront-illumination devices too.
I am not shure if smoke devices of the German army contain phosphor, but it is possible.
I bet, that this issue would never be raised by the media, except if Americans and Israelis use it, because it is since hundred years common.
It is obvious - the bolschewist media are looking only for something to blaim the Jews. Pfui!