The last time I checked bulk DEAE-cellulose, namely Whatman DE52, was no longer available.

 Thank you for your information:) Do you know any cause?

We switched to substitutes like DEAE-Sepharose and DEAE-Sephadex quite some time ago - the flow rates are more consistent, although the cost is higher.

Have a look at his web page:

http://www.gelifesciences.com/GELS/campaigns/whatman-manufacturing/whatman-chromatography-media

Here is a supplier of DEAE-cellulose:

http://www.gelifesciences.com/GELS/campaigns/whatman-manufacturing/whatman-chromatography-media

Dr. Cote and Dr. Shapiro,

Thank you so much! I appreciate your information.

Hi all,

About a year ago, I asked here if the production of DEAE cellulose ceased, and I received kind answers.

Now, our paper entitled 'Introduction of DEAE Sepharose for isolation of dissolved organic matter' has been published in Limnology!

Have a look at:

https://link.springer.com/article/10.1007%2Fs10201-018-0561-3

Article Introduction of DEAE Sepharose for isolation of dissolved or...

Thank you for the kind talks. I think this is the science of this age.

Best wishes,

Maru