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加入日期: Jan 2004
文章: 38
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http://www.uni-heidelberg.de/press/...2601antime.html

德國大學新聞稿
360 parts per trillion(ppt). This same brand of water in PET bottles, but purchased three months earlier, yielded 630 parts per trillion(ppt) Sb.


http://www.finewaters.com/Newslette...PET_Bottles.asp

文末評語
=To put "parts per trillion" into perspective, one part per trillion can be considered equal to one second in 32,000 years
=1000 parts per trillion (ppt) equals 1 part per billion (ppb)
=The World Health Organization has established a drinking water level of 20 ppb (20.000 ppt) and the European Food Safety Authority has established a migration limit of 40 ppb (40.000 ppt) antimony in food.
=5 or 6 ppb (5.000 – 6.000 ppt) have been established for drinking water in the US, Canada, and Europe and are substantially higher than the levels found in the Heidelberg study.
=Water in glass contains up to 30 times less antimony than water packaged in PET

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舊 2008-08-04, 02:34 AM #35
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