IAS Aroid Quasi Forum

About Aroid-L
 This is a continuously updated archive of the Aroid-L mailing list in a forum format - not an actual Forum. If you want to post, you will still need to register for the Aroid-L mailing list and send your postings by e-mail for moderation in the normal way.

  Re: Ruellia amoena/graecizans/brevifolia - thanks
From: Ted.Held at hstna.com on 2001.03.30 at 18:28:33(6118)
Just one note: if your crystals are calcium carbonate they should fizz when
dissolved in your acid. CO2 evolution with acid is a standard qualitative
test for carbonates.

Note: this is a very old post, so no reply function is available.