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Science Forum Forum Index » Chemistry » tween 20 versus tween 80

  
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luci
Posted: Sat Jun 21, 2008 10:29 am    Post subject: tween 20 versus tween 80 Reply with quote

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Joined: 08 May 2008
Posts: 8
Hallo,

anyone here who could tell me what the 20 and 80 mean?

I know is to make clear that there is a difference between them, but whats the difference and what does the 20 and or 80 mean?
Is it the molecular mass or ?

thanks in advance
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SteveF
Posted: Sat Jun 21, 2008 7:08 pm    Post subject: Reply with quote

Forum Bachelors Degree
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Joined: 28 May 2007
Posts: 464
Location: NC USA
 
Tween is a registered trademark for a series of nonionic surfactants.

For a complete description, see here:
http://www.mpbio.com/product_info.php?products_id=806576.

It is not clear if the numbers have any meaning other than to distinguish each product from the others.
 
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