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Ǵ ǰ, 99.9% ء
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Է : 2013-02-21 11:00:54
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ء 7061 尡 1ǿ ʰ
۸ ڣ
Ǵ ǰ 1ǿ Ұ ġ ʰ ư 99.9% Ÿ.
21 ǰǾǰû( ľû) 깰 ǰ 94ǰ(1510) , 99.9%(1509) ̶ .
̹ 16 á յ ̿ ɼ Ǿ 䱸Ǵ ټҺ ǰ Ѿö, öB1, ũ, , ƫ, ôϹ߷, ǪϽ 7 ¸ ľϱ ǽõƴ.
, ء 7061 尡 1ǿ ũ ġ 7ppb ʰ 17.2ppb ư 7060 ؿ ߴ.
ش 尡 2012 7 ġü Ǹ ϰ ȸ ġ Ϸ ´.
, 3449 ܱ(EU, Codex) ̳ Ÿ.
ƿ ̵ ǰ ̵ üⷮ üذ 0.0031.1% ؿ ſ , ö ʰ߾ص(2.9x10-8~3.8x10-8) 10-6 Ϸμ ؿ Ҵ.
ľû ڴ ̹ ̵ Ϻ ǰ ؼ ̸ ص δټҺ ǰ ߽ ̵ ȭϰڴ١ .
(ralph0407@mdtoday.co.kr)
<ǰ ̴ ѹα ǥ Ƿ, ǰ Ź , >
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