Sample Prep for Complex Matrices - creams etc?

This may be worth looking at if you are having analysis issues with complex formulations like creams etc. Admittedly I don’t know how many people have access to supercritical CO2 extraction technologies.

Determination of four Nitrosamines in Cosmetics Using PDMS-Coated Rotating Disk-Assisted Supercritical Fluid Extraction Coupled with high performance liquidchromatography by Seyed Hamid Bahrani, Farhad Raofie :: SSRN

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very interesting. thanks for sharing. I think Marian Twohig has experience both with SCF & nitrosamine analysis and may be worth a conversation if one finds a need to pursue this.