U.S. Geological Survey chemist homogenizes a tissue sample
By Environmental Health Program
2017 (approx.)
![U.S. Geological Survey chemist homogenizes a tissue sample](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/ctt_hladik_homogenizing_sample_1024.jpg?itok=9sDPJG9h)
Detailed Description
Organic Chemistry Research Laboratory — Sacramento, California. USGS chemist homogenizes a tissue sample into a mortar and pestle
Sources/Usage
Public Domain.