hi

i think you can Using Solid-Phase Extraction and Liquid Chromatography

Tandem Mass Spectrometry .

https://labsnet.ir/committee/8

https://www.sciencelabs.ir/

http://irdci.ac.ir/page/103

http://www.ippi.ac.ir/iranpolymerinstitute

https://www.epa.gov/sites/production/files/2016-12/documents/lenehan-hormones_in_water_using_spe_and_lc-ms.pdf

good luck

Dear Reza Hadavi,

Thank you so much for your reply and time.

I contacted these laboratories but they do not perform the tests related to the determination of the concentration of Estrogenic hormones.

If you know other laboratories, please introduce them. Thanks.

Regards