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Re: [APD] carbonate test
I wish I had the scratch paper handy with my notes. I
thought I heard Roger say that the acid test as he
described it could falsly indicate no carbonates but was
unlikely to falsely indicate carbonates.
I guess this ties in with what Robert says about MgCaO3.
--- Robert Flory <wyogeo at astound_net> wrote:
> The recipe geologists use is a "10 Molar" solution....
> for the chemically
> inept among us, 10% will do the trick or any thing close.
> Hot vinegar on powdered rock probably would do the trick.
> dolomite (MgCaO3) commonly will not fizz with 10% HCl,
> but will disolve
> just raise your carbonates, probably just not as fast.
> Solid, the more Mg
> the less it fizzes, but powdered it usually will fizz.
> Scratch the rock
> with hard steel (knife blade) till you have a few white
> lines, then use the
> gray beardd geologist
> > Date: Fri, 21 Nov 2003 07:08:32 -0800 (PST)
> > From: "S. Hieber" <shieber at yahoo_com>
> > Subject: Re: [APD] Re: Aquatic-Plants Digest, Vol 3,
> Issue 28
> > To: aquatic plants digest <aquatic-plants at actwin_com>
> > "Not adequate" would be a better way to put it, if I
> > understood Roger correctly. He recommended using
> > Hydrochloric acid (swimming pool acid) instead at a
> > solution. Vineger is too weak to reveal the carbonates
> > might be on the rock or in it at/near the surface.
> > --- Joey Chen <hubbahubbahehe at yahoo_com> wrote:
> > > So the vinegar test was debunked? so it's no good ?
> > =====
> > S. Hieber
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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