Sam Rivera

Sam Rivera is a seasoned Lab Water System specialist with over 25 years of experience supporting research laboratories across the Southeastern United States and Latin America. Originally trained as a pilot, Sam ultimately found his true calling in water purification. Today, he’s known for helping labs navigate the complexities of ultrapure water systems, offering expert guidance on projects and programs where water quality is critical to success. Sam is the Southeastern & Latin American Sales Manager for Lab Systems & OEM Products at ResinTech Filterworks.

3 min read

Ultrapure Water Systems: Why 18.0 MΩ·cm Doesn’t Tell the Whole Story

Sam Rivera: Jul 21, 2025 4:29:46 PM

Ultrapure water systems are essential in labs performing high-precision work such as HPLC, molecular biology, and clinical diagnostics. These systems often include a resistivity (or conductivity) meter, and a reading of, or over, 18.0...

Lab Systems Analytical Chemistry Resistivity Organics Interference Ultrapure Water Conductivity
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