Tellurite (ion)

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The tellurite ion is TeO₃²⁻.

A tellurite (compound) is a compound that contains this ion.

In slightly acid conditions, we have hydrogen tellurite ion, HTeO₃⁻; with more acidic conditions we have tellurous acid, H₂TeO₃.

Most tellurite compounds can be formed by heating the relevant oxide with tellurium dioxide, e.g., Na₂O + TeO₂ -> Na₂TeO₃.

Potassium tellurite (K₂TeO₃)is used together with agar as part of a selective medium for growth of some bacteria (Clauberg medium).

See category for a list.