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Cation Exchange Capacity
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Geliefert zwischen Do., 16.04.2026 und Fr., 17.04.2026
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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! In soil science, cation exchange capacity (CEC) is the capacity of a soil for ion exchange of cations between the soil and the soil solution. CEC is used as a measure of fertility, nutrient retention capacity, and the capacity to protect groundwater from cation contamination. Cations can also be easier to understand by just adding the group number. The quantity of positively charged ions (cations) that a clay mineral or similar material can accommodate on its negatively charged surface is expressed as milli-ion equivalent per 100 g, or more commonly as milliequivalent (meq) per 100 g or cmol/kg. Clays are aluminosilicates in which some of the aluminium and silicon ions have been replaced by elements with different valence, or charge. For example, aluminium (Al3+) may be replaced by iron (Fe2+) or magnesium (Mg2+), leading to a net negative charge.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131456145
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- Genre Geowissenschaften
- Anzahl Seiten 64
- EAN 9786131456145
- Titel Cation Exchange Capacity
- Herausgeber Betascript Publishing
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