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1. n. [Drilling Fluids]

Ethylenediamine tetraacetic acid, the reagent used to titrate for calcium and magnesium ions (hardness ions) in water samples. It is also known as versenate or titraver.

Synonyms: versenate

See: calcium sulfatecalcium testhardness ionmagnesium testsequestering agentsoft watertitrationtotal hardness test

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