hist-brewing: Historical "non-sanitization"--any experience?
bjm10 at cornell.edu
bjm10 at cornell.edu
Mon May 10 07:11:37 PDT 1999
On Sat, 8 May 1999 PBLoomis at aol.com wrote:
> They used some tough stuff in those pre-EPA pre-OHSA days.
> Quicklime is CaO, or unslaked lime, just as it comes from the
To elaborate, just to make sure that people understand the safety issues
really well: Calcium is the third most reactive metal ion known, right
after kalium (potassium) and natrium (sodium). Oxygen is highly
oxidative. Hydroxides are actually safer than CaO.
> Oil of vitriol is pure H2SO4, or concentrated sulfuric acid, one
> of the nastiest chemicals known. It is so violently hydrophilic that
We wear gloves, goggles, coat, and recommend a face shield when using the
dilute stuff in the lab, and the concentrate is to be used only within
the confines of a fume hood. Even the fumes of sulfuric acid can destroy
your mucosa.
In other words, I'm *glad* that my curiousity is only theoretical in this
case. I'll stick to ordinary surfactants and steam for my work, but the
information has been nice to have.
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