首页 > Term: cation exchange capacity (CEC)
cation exchange capacity (CEC)
The sum of exchangeable bases plus total soil acidity at a specific pH, values, usually 7. 0 or 8. 0. When acidity is expressed as salt extractable acidity, the cation exchange capacity is called the effective cation exchange capacity (ECEC) because this is considered to be the CEC of the exchanger at the native pH value. It is usually expressed in centimoles of charge per kilogram of exchanger (cmolckg-1) or millimoles of charge per kilogram of exchanger.
- 词性: noun
- 行业/领域: 地球科学
- 类别 土壤学
- Company: Soil Science Society of America
0
创建者
- Bob Adams
- 100% positive feedback