Seeking info on precipitation agents for boron

We are working on boron leaching from wood and trying some chemical which precip. the boron in wood. Can you send me information about possible precip. agents for boron? Thanks a lot.

Nami K.
- Madison, WI

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Ed. note: Readers who wish to answer, please do so. Readers who are looking for answers please see our FAQ on waste water treatments for boron. It lists the more than 20 threads on this topic that are on line here.