# Re: cyano recipe

From: Katharine Thayer ^lt;[email protected]>
Date: 05/03/05-03:23:33 PM Z
Message-id: <4277EBD1.6623@pacifier.com>

Jack Fulton wrote:
>
> Kris' figures don't look right.
> There are 48 teaspoons (US) to one cup (US) water.
> So, if Christina notes there to be 5 teaspoons of Ferric Ammonium
> Citrate (FAC) to 100 mls or 3.3 ozs. (US)
> . . . . then, there are 8 ozs of water in one cup therefore 3.3 goes
> into 8, 2.42 times.
> . . . . then 2.42 times 5 teaspoons is 12.12 teaspoons per cup of
> water NOT 24
>
> . . . . or, looking at it another way, there are 236.588 mls in a cup.
> Christine uses 100 mls for her recipe.
> the 236.588 divided by 100 gives you, 2.36588 and that times the 5
> teaspoons makes 11.83.
>
> Well, then, 12 teaspoons per cup of water, or 1/4 cup of FAC to a cup
> of water is correct.
>
> Part B is right.
>

It looks to me like Kris was doubling part A so he could mix it 1:1
instead of 2:1 with part B. I can't speak to the merits of doing it that
way, but that's the way I read his mathematical reasoning.
kt
Received on Tue May 3 22:19:24 2005

This archive was generated by hypermail 2.1.8 : 06/02/05-10:12:02 AM Z CST