
Solvent Filtration Apparatus
Benchtop vacuum filtration system for solvent purification with multiple membrane sizes and Pyrex glass receiving bottles from 300ml to 2000ml capacity.
| Automation Level | manual |
| Pore Size of Filter | Support Screen |
| Receiving Bottle | Membrane |
| Packing Size | Gross Weight |
| SFA-50.1L | 300ml |
| 10μm | Pyrex glass |
The Solvent Filtration Apparatus is a benchtop vacuum filtration system designed for analytical and preparative applications requiring precise solvent purification and particulate removal. The system accommodates multiple filter membrane sizes (47, 50, and 60mm diameter) with selectable pore sizes including 10μm options and PTFE membranes for chemical compatibility across diverse solvent systems.
Available in three configurations (SFA-50.1L, SFA-50.2L, SFA-50.PT), the apparatus features Pyrex glass receiving bottles ranging from 300ml to 2000ml capacity, providing flexibility for both small-scale analytical work and larger preparative procedures. The support screen design ensures uniform filtration while maintaining membrane integrity during operation.
How It Works
The solvent filtration apparatus operates on the principle of pressure-driven membrane filtration, where vacuum applied to the receiving bottle creates a pressure differential across the filter membrane. This pressure differential forces liquid through the membrane pores while retaining particles larger than the pore size on the membrane surface.
The support screen positioned beneath the membrane provides mechanical support to prevent membrane rupture under vacuum while maintaining uniform flow distribution across the membrane surface. The Pyrex glass construction ensures chemical compatibility with organic solvents and provides visual monitoring of the filtration process.
Filtration efficiency depends on membrane pore size, applied vacuum pressure, and solution viscosity. The system accommodates various membrane materials including PTFE for aggressive solvents, allowing selection based on chemical compatibility requirements and particle retention specifications.
Features & Benefits
Automation Level
- manual
Pore Size of Filter
- Support Screen
Receiving Bottle
- Membrane
Packing Size
- Gross Weight
SFA-50.1L
- 300ml
10μm
- Pyrex glass
1000ml
- ∅47 or ∅50mm
310*310*190mm
- 2kg
SFA-50.2L
- 500ml
2000ml
- ∅60mm
370*345*255mm
- 3.1kg
SFA-50.PT
- 300ml
PTFE
- 1000ml
∅47 or ∅50mm
- 310*310*190mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Environmental Monitoring
- Food Science
- Materials Science
- Microbiology
- Pharmaceutical QC
Weight
- 4.41 kg
Dimensions
- L: 12.2 mm
- W: 12.2 mm
- H: 2.36 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Receiving Bottle Material | Pyrex glass construction with 300ml to 2000ml capacity options | Plastic bottles or smaller glass vessels in entry-level systems | Provides chemical resistance to organic solvents and visual monitoring of filtration progress. |
| Membrane Compatibility | Supports 47, 50, and 60mm diameter membranes with PTFE options | Limited to single membrane diameter in basic models | Allows optimization of filtration area and membrane material selection based on application requirements. |
| Model Configurations | Three distinct configurations (SFA-50.1L, SFA-50.2L, SFA-50.PT) with varying capacities | Single configuration offerings common in standard models | Enables selection of optimal system size based on laboratory space and sample volume requirements. |
| Support Screen Design | Integrated support screen for uniform membrane backing | Basic membrane holders without dedicated support features | Prevents membrane damage under vacuum while ensuring consistent flow distribution across the membrane surface. |
This solvent filtration apparatus offers multiple configurations with Pyrex glass construction and flexible membrane compatibility. The system accommodates various sample volumes while providing chemical resistance and visual process monitoring capabilities.
Practical Tips
Pre-wet membranes with the same solvent type as your sample before filtration to improve flow rates and prevent bubble formation.
Why: Solvent compatibility reduces membrane resistance and ensures consistent filtration performance.
Clean Pyrex glass components with appropriate solvents immediately after use to prevent residue buildup and cross-contamination.
Why: Prompt cleaning maintains system performance and prevents interference with subsequent filtrations.
Always apply vacuum gradually and monitor for membrane integrity to prevent sudden pressure changes that could cause sample loss.
Why: Controlled vacuum application prevents membrane rupture and ensures safe operation with volatile solvents.
Record membrane batch numbers and pore sizes for each filtration to ensure traceability and reproducibility in analytical procedures.
Why: Documentation supports method validation and troubleshooting of filtration-related analytical issues.
If filtration rate decreases significantly, check for membrane clogging or vacuum line obstructions before replacing the membrane.
Why: Systematic troubleshooting prevents unnecessary membrane replacement and identifies system maintenance needs.
Verify vacuum gauge accuracy periodically using a calibrated pressure standard to ensure consistent filtration conditions.
Why: Accurate vacuum measurement is essential for reproducible filtration results and method validation.
Setup Guide
What’s in the Box
- Solvent filtration apparatus main unit
- Pyrex glass receiving bottle (capacity varies by model)
- Support screen assembly
- Vacuum connection fittings (typical)
- User manual and operation guide (typical)
Warranty
ConductScience provides a one-year manufacturer warranty covering defects in materials and workmanship, with technical support for setup and operation questions.
Compliance
What membrane pore sizes are compatible with this system?
The system accommodates membranes with 10μm pore size as specified, and supports PTFE membranes for chemical compatibility. Consult product datasheet for complete pore size range compatibility.
Can this apparatus handle organic solvents safely?
Yes, the Pyrex glass construction and PTFE membrane compatibility enable safe filtration of most organic solvents. Always verify chemical compatibility before use with aggressive solvents.
What vacuum pressure is required for optimal operation?
Optimal vacuum pressure depends on membrane pore size and solution viscosity. Consult product datasheet for recommended vacuum levels to prevent membrane damage while maintaining adequate flow rates.
How do I select between the three model configurations?
Choose based on typical sample volumes: SFA-50.1L (300ml) for analytical work, SFA-50.2L (500ml) for medium-scale preparations, and consider receiving bottle capacity requirements.
What is the maximum filtration volume per membrane?
Filtration capacity depends on sample particulate load and membrane pore size. Replace membrane when flow rate decreases significantly or visible clogging occurs.
Can I sterilize this apparatus for microbiological work?
Pyrex glass components can typically withstand autoclaving, but verify temperature limits and disassemble plastic fittings before sterilization. Consult product manual for specific sterilization protocols.
How does this compare to syringe filtration methods?
This apparatus handles larger sample volumes more efficiently than syringe filters and provides better control over filtration pressure, reducing manual effort for repetitive filtrations.



