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Cation-exchange capacity

Cation-exchange capacity (CEC) is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules (cations), but allow these to exchange with other positively charged particles in the surrounding soil water. This is one of the ways that solid materials…

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Definition and principles

MolesClay mineralsSoil organic matterPhyllosilicateOxides
9 related topics

Measurement

Buffer solution
1 related topics

Anion-exchange capacity

AllophaneFerralsolsOxisols
3 related topics

Base saturation

Bases
1 related topics

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Overview

Definition and principles

Measurement

Base saturation

Anion-exchange capacity

Advanced semantic analysis

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Map overview Semantic statistics

Cation-exchange capacity

Nodes23
Edges22
Triples32
Avg. degree1.91
Density0.086957
Components1

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Cation-exchange capacity

Top relations

related to Definition and principles · 15
Cation-exchange capacity → Al3, Ca2, Cation-exchange, Cations, CEC, Exchangeable, In, Mg2, Na, Organic, Phyllosilicate, Some, The, The CEC, This
measured by · 8
Cation-exchange capacity → Alternatively, Ba2, Barium, Cation-exchange, CEC, If, NH4, Such CEC
related to Anion-exchange capacity · 4
Cation-exchange capacity → In, Positive, Still, The
related to Typical values · 3
Cation-exchange capacity → CEC, The, These
related to Soil pH · 2
Cation-exchange capacity → Increasing, The

Important terminology Word statistics

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Important terminology

soil cec cations capacity ph charge cation-exchange negative surfaces cation organic matter charges many retain exchange also base positive therefore

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Cation-exchange capacitymeasured byCation-exchange0.60section
Cation-exchange capacitymeasured byBarium0.60section
Cation-exchange capacitymeasured byBa20.60section
Cation-exchange capacitymeasured byNH40.60section
Cation-exchange capacitymeasured byCEC0.60section
Cation-exchange capacitymeasured byIf0.60section
Cation-exchange capacitymeasured bySuch CEC0.60section
Cation-exchange capacitymeasured byAlternatively0.60section
Cation-exchange capacityrelated to Anion-exchange capacityPositive0.60section
Cation-exchange capacityrelated to Anion-exchange capacityThe0.60section
Cation-exchange capacityrelated to Anion-exchange capacityIn0.60section
Cation-exchange capacityrelated to Anion-exchange capacityStill0.60section

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    Min side: 3
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