High-Performance Material
- Molded PFA Body: The main assembly is constructed from high-purity PFA (perfluoroalkoxy), providing exceptional chemical inertness and ensuring zero leaching for critical organic carbon analysis.
- Stainless Steel Support Grid: Features a high-quality stainless steel support grid designed to provide structural stability to the filter membrane during high-pressure filtration cycles.
- Extreme Thermal Stability: The PFA wetted components maintain structural integrity across a massive temperature range of -200°C to +260°C (-328°F to +500°F).
Functional Design
- USGS DOC 25 Configuration: Specifically engineered as a fluorocarbon pressure filtration unit configured to meet U.S. Geological Survey (USGS) standards for processing Dissolved Organic Carbon (DOC) samples.
- Standard Compliance: Designed in reference to the USGS National Field Manual procedures for the analysis of dissolved organic carbon as well as inorganic and organic particulate carbon.
- Reliable Seal Technology: Precision threads and high-performance materials ensure a leak-proof interface, critical for maintaining sample integrity during pressurized environmental monitoring.
Ideal Applications
- Environmental Water Quality: An essential tool for field and laboratory water quality assessment requiring standardized filtration of organic carbon.
- Organic Carbon Research: Optimized for 25 mm filter membranes (sold separately) used in the determination of dissolved and particulate carbon fractions.
- Ultra-Trace Analysis: The inert PFA body makes this unit ideal for geochemistry and environmental labs where low-level background blanks are mandatory.
Specifications
| Part Number | 401-61-25-53-60-2 |
| Configuration | USGS DOC 25 |
| Filter Diameter | 25 mm |
| Body Material | High-Purity PFA |
| Support Grid | Stainless Steel |
| Key Feature | Fluorocarbon Pressure Filtration Unit for DOC Analysis |









