| Experimental determination of composition of IPMC |
|
|
| Equivalent
weight determination |
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| The
equivalent weight of an ionic polymer defines its ion exchange capacity: |
|
|
|
| This
value can be determined from the mass difference of a dry
ionic polymer in |
|
| different metal
ions. |
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|
|
|
| n :
moles of sulfonate in polymer |
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| Mx
: dry mass of polymer in ion x |
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| FWx
: formula weight of ion x |
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