Bach, Meister Eckhart der Vater der deutschen Speculation (1864); C. Ullmann, Reformatoren vor der Reformation (1842); W.
Ullmann, German Patents 11 747 2, 118 439, 127586, 128754, and also Ber., 1902, 35, pp. 316, 2670.
The second process is one patented by Fritz Ullmann of Geneva, who utilizes chromic acid to oxidize the phosphuretted and sulphuretted hydrogen and absorb the ammonia, and this method of purification has proved the most successful in practice, the chromic acid being absorbed by kieselgiihr and the material sold under the name of "Heratol."
KARL ULLMANN (1796-1865), German Protestant theologian, was born at Epfenbach, near Heidelberg, on the 15th of March 1796.