hi,
do u know the ingredients of ponceau staining, efficient to check the transfert on PVDF filter??
thanks
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#2
mdfenko
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Posted 30 November 2010 - 12:09 PM
sigma sells a full strength solution that is 0.1% ponceau s in 5% acetic acid.
Edited by mdfenko, 30 November 2010 - 12:09 PM.
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#3
jasmina
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Posted 02 February 2011 - 01:33 PM
mdfenko, on 30 November 2010 - 12:09 PM, said:
sigma sells a full strength solution that is 0.1% ponceau s in 5% acetic acid.
so, i dont understand what is the problem, is it the ponceau (it looks not concentrated). or PVDF filter,or..
#4
mdfenko
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Posted 04 February 2011 - 10:49 AM
are you sure the ponceau was completely (or nearly) solubilized? the solution may have been weak.
if it is weak then you could stain for a longer time.
if it is weak then you could stain for a longer time.
talent does what it can
genius does what it must
i do what i get paid to do
genius does what it must
i do what i get paid to do
