from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hydrate whose solid contains four molecules of water of crystallization per molecule, or per unit cell
Invented by Dmitri Mendeleev, the alternative technique of fractional crystallization was in the form of double ammonium nitrate tetrahydrate.
I expect treating existing infestations with orange oil (XT-2000) and then using the silica or sodium borate (disodium octaborate tetrahydrate) to coat all of the interior wood framing would be a most effective treatment.
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