From: Bob Mazzullo (rmazzullo@si.rr.com)
Date: 07/24/01-09:27:04 PM Z
Household Ammonia is 3%,
Ammonium Hydroxide (lab version of above) is 33%
Bob M.
> -----Original Message-----
> From: Judy Seigel [mailto:jseigel@panix.com]
> Sent: Tuesday, July 24, 2001 10:59 PM
> To: alt-photo-process-l@skyway.usask.ca
> Subject: Re: making casein
>
>
>
> On Tue, 24 Jul 2001, Rosae Reeder wrote:
>
> > If that is household ammonia, yes.
> > Rosae.
> > make sure it is not the foaming kind.
>
> Lukas says household ammonia in Germany is about 9% strength. It doesn't
> say on the label in the US, but I've been told it's 4 or 5%. Does anyone
> know?
>
> "Strong ammonia" or ammonium hydroxide bought from chem supplier is called
> .880 -- if memory serves that's 28% (or was it 38?). Whichever, it's
> STRONG, I used it for the silver plating formula but had to aim fan right
> at it when mixing. (The actual plating operation used such a small amount
> it was OK.)
>
> When buying in supermarket be careful not to get the perfumed kind -- vile
> beyond words ... also avoid "sudsy" ammonia (probably same as "foaming"),
> another booby trap.
>
> Judy
>
This archive was generated by hypermail 2b30 : 08/02/01-11:56:47 AM Z CST