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gengwei406

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ÔÚÎÄÏ×ÉÏÃæÐ´×Å a  filtering paper (No. 5)£¬Õâ¸ö5ºÅ¹ýÂËÖ½ÊÇÎÒÃdz£ÓõÄÂËÖ½Âð£¿ÓÐÄÄλ֪µÀµÄ°¡£¿¾ßÌåÊǸöʲô¹æ¸ñµÄ°¡£¿
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zhangquan8385(½ð±Ò+1): ¹ÄÀø 2012-02-29 08:08:18
gengwei406(½ð±Ò+10): ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-03-02 09:47:15
Whatman Grade No. 5 Filter Paper
Porosity: Fine
Flow Rate: Slow
Particle Retention: 2.5 µm

http://www.vgdusa.com/whatman-filter-papers.htm
2Â¥2012-02-28 22:37:44
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gengwei406

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Â¥: Originally posted by bible2 at 2012-02-28 22:37:44:
Whatman Grade No. 5 Filter Paper
Porosity: Fine
Flow Rate: Slow
Particle Retention: 2.5 µm

http://www.vgdusa.com/whatman-filter-papers.htm

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