[403] Phosphorsaures Ammonium, Phosphorsaures Kalium (Kaliumphosphat), Phosphorsaures Natrium (Natriumphosphat), Phosphortrioxȳd, s. Phosphor.
Brockhaus-1911: Ammonium [2] · Ammonium
Herder-1854: Ammonium
Lueger-1904: Ammonium, salzsaures · Ammonium
Meyers-1905: Phosphorsaures Kobalt · Phosphorsaures Kali · Phosphorsaures Natron · Phosphorsaures Kupfer · Phosphorsaures Eisen · Phosphorsaures Ammoniak · Phosphorsaures Blei · Ammonĭum [1] · Ammonĭum [2]
Pierer-1857: Ammonĭum acetĭcum · Ammonĭum