Syringe Filters, 4mm, PTFE, 0.45um Pore Size. Yellow Polypropylene, AQ Brand. 50/PK.
Advanced Quality PTFE Syringe Filters, AQ™ brand, for Pharmaceutical Grade HPLC & Dissolution Testing. Manufactured with a unique 0.45µm PTFE or Polytetrafluoroethylene (purest form of Teflon©) in a 4mm polypropylene housing, these syringe filters are made for laboratories that require consistent, high performance results with ease of use especially during high volume work. Excellent choice when laboratories cannot afford poor chromatographic results.
These Filters are Compatible with any organic HPLC solvent and designed to have strong chemical strength (will not degrade) in the presence of strong solvents, acids and bases; not recommended for 100% water or Aqueous Buffer Solutions.
Validated for many regulatory requirements, they are designed, tested and QC Certified. They comply with US FDA CFR Title 21, Part 211.92 for minimum Fiber Release and with USP <788> test for particulate matter in injectables as well as USP for "Sterile Water for Injection" and therefore do not require any initial flushing or discarding of the first 20µl of filtrate saving time and avoiding investigation of failed methods. The polypropylene plastic housing material complies with the requirements of US FDA CFR Title 21 Part 177.1520 and are heat sealed to prevent leaching. These filters pass a test for oxidizable matter as per the USP.
Color Coded: Yellow for 0.45µm PTFE. Each Case is supplied with a Certificate of Analysis.