April 21, 2019, 04:44:02 AM
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Topic: What is this material?  (Read 339 times)

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Offline Jennifer

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What is this material?
« on: January 23, 2019, 11:12:11 AM »
This residue was found in a filter that was used to filter an emulsion. Prior to the production of this emulsion. Some gum was present prior to the production. This yellowish light-weight residue is not soluble in isopropanol, acetone or ethyl acetate. It does not swell nor dissolves in water as I expected if it was some gum. I performed FTIR analysis after it was dried. Here are some results from the analysis. Any ideas what it could be? Thanks.

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