| Subject | English | Danish |
| environ. | complexing agent A substance capable of forming a complex compound with another material in solution | kompleksdanner |
| chem. | complexing agent | kompleksdanner |
| chem. | complexing power | komplexbindingsevne |
| chem. | organic complexing agent | organisk kompleksdanner |
| chem. | selective complexing agent | selektive kompleksanter |