Meeting ISO Standards
High-Purity Standards understands a comprehensive quality system is key to our customers’ confidence in the products that we manufacture. That’s why we developed our Total Quality System with the help and assessment of independent agencies. We are certified by Perry Johnson Registrars to: ISO 9001:2015 and accredited by ANAB to ISO/IEC 17025:2005 and ISO 17034:2016.
To address the need for clean blank PVC filters, HPS offers two methods of cleaning PVC Filters to remove specific contaminants:
- A patented process to remove chromium or vanadium1
- An in-house method to remove silicon
A Certificate of Analysis with the concentration per filter of the removed analyte is included with the product.
Please contact us to submit an order for Cleaned Filters.
Toll Free Phone: 866-767-4771
1Rubenstein, M. Hexavalent chromium and total chromium removal from polyvinylchloride (PVC) polymers. U.S. Patent 8,415,452, April 9, 2013.