Figure5.14
of
:f%,
Al,
Ca and K on
reduced promoted iron
catalyst
used
for
ammonia
synthesis
74 !7(
(By
courtesy
of
Springer-Verlag,
Heidelberg)
Figure5.14
of
:f%,
Al,
Ca and K on
reduced promoted iron
catalyst
used
for
ammonia
synthesis
74 !7(
(By
courtesy
of
Springer-Verlag,
Heidelberg)