RE: The smell of OLD Plastic Squeeze bottles.

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From: Monnoyer Philippe (monnoyer@imec.be)
Date: 09/10/02-06:14:17 AM Z


Try to fill them with some bleach (sodium hypochlorite) for some hours, then with soap. This should destroy smells of organic origin like bacterias etc ... then rinse. I bet the smell will vanish very easily.

Philippe

----------------------------------------
Philippe Monnoyer, Ph.D.
Silicon Process and Device Technology
IMEC vzw
Kapeldreef, 75
B-3001 Leuven
Phone: +32 (0)16 28 17 35
Fax: +32 (0)16 28 12 14
http://www.imec.be
----------------------------------------

|-----Original Message-----
|From: David Eastman [mailto:clearemulsions@yahoo.com]
|Sent: Tuesday, September 10, 2002 14:08
|To: alt-photo-process-l@skyway.usask.ca
|Subject: The smell of OLD Plastic Squeeze bottles.
|
|
|The smell of OLD Plastic Squeeze bottles!
|
|After a few years of use (or inactivity?), I notice
|that my squeeze bottles (PP or PE)develop a tell-tale
|smell... I have rinsed them for hours, tried acid
|rinses, ethanol and methanol rinses...nothing works,
|but well, it may have weakened a bit.
|
|Does anyone have any experience with this?
|What causes this smell?
|It appears only to be on the inside... These bottles
|were only used for distilled/deionized water, kept
|mostly in the dark, under red, or low level
|flourescent light.
|
|Removing the smell is potentially important in the
|process I am using.
|
|The bottles are otherwise in good shape and it seems
|wasteful to start the whole process over again with
|new bottles....
|
|ANY IDEAS?
|
|Ray
|
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