If you are getting any taste from plastic bottles it is easy to fix that. Taste is caused by any volatile compounds in the plastic diffusing out into the contents. The migration of volatiles goes up rapidly with temperature, so you can put the bottles in an oven set for 150 F for 24 hours and drive them out.
Be sure to preheat the oven before putting in the bottles. I found that ovens will overshoot as much as 100 F when they are warming up, and HDPE melts at about 210 F. I sure had a mess the first time I tried it, but by waiting till it is warm first I have not melted any more. Marshall Steve King wrote: > James- > > I know what you mean about the taste > of plastic. The best water I ever had > was triple distilled, oxygenated, deionized > and shipped in a 5 gal glass carboy. It > was mind bending water and I believe > that it would have been less cosmic > in plastic. On the other hand, if > you repeatedly store CS in plastic, > the CS seems to adhere to the > walls, which may bind with the plastic > over time? So the initial influence > of plastic may diminish? > > cheers, > Steve King > > At 06:17 PM 10/4/99 -0600, you wrote: > >Hello Steven, > > > >The human taste mechanism is more sensitive than most high-tech > >instruments. I think most DW is stored in HDPE, which is rated for serum > >products. My friend says she can taste it, nontheless. Time for a double > >blind with the water in glass and HDPE. > > > >I'll put that one in with my other reminders.... > > > >James Osbourne Holmes > >[email protected] > > > > > >-----Original Message----- > >From: Steve King [SMTP:[email protected]] > >Sent: Saturday, October 02, 1999 5:40 PM > >To: [email protected] > >Subject: RE: CS>rose color cs > > > >James- > > > >>I have identified four important characteristics of the resins used to > >>make bottles which are important to CS storage therein. There may be > >>other parameters too, but these seem likely to be the most important. > > > >I like your taxonomy of plastic characteristics. Over here in the UK, > >I can buy lab water with a specific microseimens rating on it. > >It occurs to me that the plastic that they ship this water > >in must have special properties. Otherwise, it would taint > >the water? I don't know the composition of the plastic > >but I do know that I save all of these containers that I get > >my hands on. . . for water and CS storage! But I can't > >exactly make batches in them -wrong shape > > > >cheers, > >Steve King > > > > > >-- > >The silver-list is a moderated forum for discussion of colloidal silver. > > > >To join or quit silver-list or silver-digest send an e-mail message to: > >[email protected] -or- [email protected] > >with the word subscribe or unsubscribe in the SUBJECT line. > > > >To post, address your message to: [email protected] > > > >List maintainer: Mike Devour <[email protected]> > > > >
