| c.c. | column chromatography |
| CoPP | cobalt protoporphyrin |
| Fr | fraction |
| HO | heme oxygenase |
| IR | infrared |
| SnPP | tin protoporphyrin IX |
| SiO2 | silica gel |
| ODS | octadecyl SiO2 |
| PC | positive control |
| TLC | thin layer chromatography |
| UV | ultraviolet |
| Ve/Vt | elution volume/total volume |