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ÀïÖ®ÃÎ: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2014-11-27 09:38:52
0.8179*50=40.895mg
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2Â¥: Originally posted by violettang at 2014-11-26 10:59:39
0.8179*50=40.895mg
40.895/251.4*100%=16.27%
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smart_phenol

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come on with wonderful life.
4Â¥2014-11-26 17:24:20
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4Â¥: Originally posted by smart_phenol at 2014-11-26 17:24:20
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5Â¥2014-11-27 08:47:54
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ggj07124003

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5Â¥: Originally posted by ÀïÖ®ÃÎ at 2014-11-27 08:47:54
²»ºÃÒâ˼ д´íÁË ÊÇmg/L ÊÇ»ú¶ÁµÄ...

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6Â¥2014-11-27 09:16:53
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ÒýÓûØÌû:
6Â¥: Originally posted by ggj07124003 at 2014-11-27 09:16:53
PPMʵ¼ÊÉϾÍÊÇmg/kg
0.8179*50/0.2514=163ppm...

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7Â¥2014-11-27 09:38:20
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ggj07124003

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ÒýÓûØÌû:
7Â¥: Originally posted by ÀïÖ®ÃÎ at 2014-11-27 09:38:20
ÄÇôppm»»³É°Ù·ÖÊýµÄ»°ÊÇ*10^-6ô...

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ggj07124003

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by ÀïÖ®ÃÎ at 2014-11-27 09:38:20
ÄÇôppm»»³É°Ù·ÖÊýµÄ»°ÊÇ*10^-6ô...

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0.8179*50/251.4*100£¥=16.27£¥
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