Linda Ferzoco on sat 25 sep 04
This substance is sodium azinde and a very, very dangerous chemical
which I would use only under laboratory conditions. It has a high
explosive danger and is very toxic. Ingestion: bad. Environment:
bad. Skin contact: bad.
See: http://www.bt.cdc.gov/agent/sodiumazide/basics/facts.asp
http://ptcl.chem.ox.ac.uk/MSDS/SO/sodium_azide.html
Linda
--- Bonnie Staffel wrote:
"Depending on time, temperature, pH, gum can be attacked by microbes
or
molds. If this happens store in a cooler place, make smaller batches,
adjust
the pH to make a less friendly environment, or add an antiseptic
(i.e.
NaN3). Many brush on glazes use CMC and can have a shelf life for
this
reason.
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