Chemical oxygen demand

https://www.wikidata.org/wiki/Q555857

Field Hierarchy

Parent
Engineering 23.9M papers	Environmental science 7.7M papers	Waste management 1.5M papers	Environmental engineering 949k papers
Wastewater 240k papers		Sewage treatment 116k papers
Current
Chemical oxygen demand 40.5k papers
Child
Biochemical oxygen demand 13.9k papers	Total suspended solids 9,581 papers	Volatile suspended solids 3,285 papers	Wastewater quality indicators 1,179 papers

Trends

Notes

History