Yes James, they proved to be a superior storage medium.
Best Regards, Brooks.
----- Original Message -----
From: "James Osbourne, Holmes" <a...@cybermesa.com>
To: <silver-list@eskimo.com>
Sent: Tuesday, August 28, 2001 7:51 AM
Subject: RE: CS>Plastic Bottles?
> Hi Brooks,
>
> Did your positive evaluations include HDPE?
>
> Thanks in advance.
>
> James-Osbourne: Holmes
>
> -----Original Message-----
> From: brooks bradley [mailto:liat...@flash.net]
> Sent: Monday, August 27, 2001 3:38 PM
> To: silver-list@eskimo.com
> Subject: Re: CS>Plastic Bottles?
>
> In calendar 1998 we conducted rather extensive evaluations of
> various types of plastic containers.....primarily based upon an interest
in
> CS storage mediums. Our research indicated PETE materials exhibited very
> stable storage parameters. No appreciable outgassing occurred over a 6
> month period. At highly elevated temperatures (180 F.) some molecular
> migration was detectable; but not of sufficient magnitude to be of
> consequence.
> We found that conventional, commercially available, H202 bottles (any
size)
> available at Walmart, Eckerd's, etc.....to be splendid containers------and
> excepting "near-boiling and above environments", to
be....essentially.....as
> reliable as glassware.
> As we use enormous amounts of H202 (in pint and quart bottles), we have
> ample numbers of CS containers for all our needs.
> Although there are a number of more structurally-rigid
> thermo-setting plastics of special chemistry available, it seems
> economically counter-productive to invoke a steel mallet where a fly
swatter
> is quite adequate.
> Interestingly, it appears the list is challenged to revisit this
> topic--- with an almost calendar-like precision......every year or so. :
> >)
> Sincerely, Brooks Bradley
> ----- Original Message -----
> From: "Frank Key" <fr...@strsoft.com>
> To: <silver-list@eskimo.com>
> Sent: Monday, August 27, 2001 8:20 AM
> Subject: Re: CS>Plastic Bottles?
>
>
> > we...@yahoo.com wrote:
> >
> > > a quick google search found:
> > > http://www.uni.edu/pubrel/newsroom/op-ed/chemdep.shtml
> > > ". Related compounds, pthalates, used in making ubiquitous flexible
> > > polyvinyl products, caused dramatic decline in testosterone and
> > > missing or blood-filled testes in rats, according to a recent EPA
> > > study. The Center for Disease Control recently found pthalate
> > > residues occurring at an alarming rate in the urine of randomly
> > > tested children and adults".
> > > There has been a bit of news coverage regarding the use of pthalates
> > > in infants toys and endocrine disruption.
> > > see also:
> > > http://ehpnet1.niehs.nih.gov/docs/2000/108p1189-
> > > 1193ohtani/abstract.html
> > >
> > > > > phthalic acids are xenoestrogens not good for your endocrine
> system...
> > > > > they leach! HDPE would be more appropriate for storing
ingestables.
> >
> >
> > This quoted reference says that "pthalates, used in making ubiquitous
> flexible
> > polyvinyl products..." caused problems.
> >
> > The reference article does not say that pthalates leached from
containers
> PETE.
> >
> > From the published literature on PETE, there is every indication that
the
> substance is very stable and does not contaminate liquids stored in PETE
> containers over extended periods of time.
> >
> > frank key
> >
> >
> >
> >
> >
> > frank key
> >
> >
> >
> > --
> > The silver-list is a moderated forum for discussion of colloidal silver.
> >
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> >
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> >
>
