Dear Scientists,
I have recently faced an issue and need your help and suggestions. I tried to pass a sample solved in DMF via a polyacrylonitrile (PAN) membrane. But, the membrane shrank and I am afraid that a part of the PAN has been dissolved in DMF and moved to the sample. Would you please tell me how I can prove the presence or non-presence of PAN in the final product? Also, is PAN, FDA-approved?
I really appreciate any help and suggestions.
Best regards,
Dadfar
Good day, S.M.Ali Dadfar! Hope you are doing well.
"The U.S. Food and Drug Administration (FDA) has categorized acrylic polymers as nontoxic, approved for materials handling and packaging." Reference is here:
Article Review of Polyacrylonitrile Blends and Application in Manufa...
Also, some authors suppose it to be possible to determine PAN content in DMF by means of turbidimetry. Please, consider the following article:
Article The Solubility of Polyacrylonitrile
Best of luck in your research!
Yours sincerely,
M. Sc. Vadym Chibrikov
Department of Microstructure and Mechanics of Biomaterials
Institute of Agrophysics, Polish Academy of Sciences
Dear Vadym Chibrikov
Thank you so much for your helpful and fruitful information.
Best regards,
Ali
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