# R. Herzog on Using Chemical Analysis to Establish Halachic Fact (6 Shevat)

From **A Responsum a Day** by R Dr. Gidon Rothstein.

- **Published:** 2025-02-04T13:11:48.000Z
- **Duration:** 0:30:44
- **Audio:** https://media.ou.org/torah/3798/32957/32957.mp3
- **Page:** http://outorah.org/p/32957
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