•The secret to cool bodies and glazes is a lot of testing.
•The secret to know what to test is material and chemistry knowledge.
•The secret to learning from testing is documentation.
•The place to test, do the chemistry and document is an account at https://insight-live.com
•The place to get the knowledge is https://digitalfire.com

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CEC (meq/100g) - CEC

This test procedure was employed in the Foresight Ceramic Database and now is available for those having an account at Insight-Live.com. Accumulating test data using the variables defined in these procedures enables us to create tools that enable you to compare the physical properties of materials and recipes.

Notes

Cation Exchange Capacity is related to the electrical activity on particle surfaces, it is thus a measure of a materials response to deflocculants, therefore its ability to be deflocculated into a slurry.

Cation Exchange Capactiy values should specify method, value, units:
e.g. Methylene Blue: Acid Treated-5.2 Meq/100 gm

See data sheet booklets for clay companies (Old Hickory) for info on this.

Variables

VAL - Value (V)

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By Tony Hansen




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