Any decent half face respirator with ammonia cartridges will work just fine. However,
the whole key is the fit of the respirator. There is a very exacting procedure to don
and fit a respirator to ensure you have a good seal on the face. And it has to be
sized correctly. If by a mask you mean a paper dustmask type (filtering facepiece),
no, these will not work for ammonia. Ammonia and other similar gases (amines, etc.),
require an absorbent cartridge. Typical dust masks are not fitted with these, though I
have seen some with small charcoal cartridge for organic vapors and/or
pesticides....these are not approved for such use by regulatory agencies though, but
they are out there.
John
----- Original Message -----
From: "Paul Ewins" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, January 23, 2001 5:07 PM
Subject: OT: Protective gear: was Glacial Acetic Acid. etc
>
> > >For that, I wear a neoprene apron, neoprene gloves, goggles and
> > >an ammonia mask.
>
> Is there an ammonia mask that is actually usable? My first full time job
> (1985) was developing and duplicating microfiche. The masters were done with
> standard sort of film and developed in normal Ilford b&w developers but the
-
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