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troubles in determination of specific surface area(air permeability method)
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eos
science forum beginner


Joined: 20 Jul 2006
Posts: 2

PostPosted: Thu Jul 20, 2006 10:05 am    Post subject: troubles in determination of specific surface area(air permeability method) Reply with quote

I sent powder sample to determine specific surface area.
The result was 'error'. They said the powder was something wrong.
Usually the results was about 7.0 10^4cm^2/cm^3
They use air peamibility tester(Kozeny-Carmen equation).

Other test result from BET method was OK.
What does it mean?
Please help me.
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