| 423 / | HD | CHEMISTRY OF INORGANIC COMPOUNDS |
| DIG 9 | | Reaction techniques {8} |
| DIG 10 | DD | .~> Plasma energized |
| DIG 11 | DD | .~> High pressure |
| DIG 12 | DD | .~> Molten media |
| DIG 13 | DD | .~> Catalyst contact |
| DIG 14 | DD | .~> Ion exchange; chelation or liquid/liquid ion extraction |
| DIG 15 | DD | .~> Comminution |
| DIG 16 | DD | .~> Fluidization |
| DIG 17 | DD | .~> Microbiological reactions |