Reagents & Standards
GFS is USA based company specializing in the manufacturing of specialty and fine chemicals, located in Columbus, OH, its proprietary product portfolio of more than 8000 discrete high-quality products, available from small bottles to drum quantities, GFS offers a full range of Karl Fischer reagents, PPT/PPB trace analysis grade acids, turbidity standards, and other high-quality materials for your QA/QC laboratory.
We are proud to supply GFS products including the Karl Fischer line.


NEC Scientific
Quality laboratory equipment, chemicals, and standards.
info@necscientific.com
+1(224) 245 5401
© 2025. All rights reserved.