Scienhome AP-01P Low-Pressure Solvent Filtration System
| Brand | Scienhome |
|---|---|
| Origin | Tianjin, China |
| Model | AP-01P |
| Filter Capacity | 300 mL (funnel), 1 L / 2 L (receiving flask) |
| Construction | Borosilicate glass (up to 270 °C thermal shock resistance) |
| Vacuum Source | Oil-free diaphragm pump |
| Compliance | Designed for ISO/IEC 17025-compliant labs, compatible with USP <788> particulate matter testing and ASTM E2904-21 for solvent clarity validation |
| Accessories | Sintered glass frit (porosity: G3/G4), sealing O-rings, clamp assembly, vacuum tubing kit |
| Operating Pressure Range | 0.05–0.08 MPa (absolute), typical working vacuum: −85 to −95 kPa |
Overview
The Scienhome AP-01P Low-Pressure Solvent Filtration System is an engineered vacuum-assisted filtration platform designed for high-integrity solvent preparation in analytical, pharmaceutical, and biotechnology laboratories. It operates on the principle of controlled negative pressure applied across a sintered glass frit or membrane filter, enabling rapid, particle-free clarification of organic and aqueous solvents prior to HPLC, UHPLC, IC, or mass spectrometry applications. Unlike gravity or pressure-driven systems, this low-pressure configuration minimizes foaming, prevents volatile solvent loss, and effectively removes microbubbles—critical for baseline stability and detector sensitivity. The system supports both degassing and sterile filtration workflows, making it suitable for mobile phase preparation, buffer sterilization, colloidal suspension clarification, and gravimetric analysis where residual particulates or dissolved gases compromise measurement accuracy.
Key Features
- Borosilicate glass construction (Duran®-grade equivalent) with certified thermal shock resistance up to 270 °C, ensuring long-term dimensional stability and chemical compatibility with acetonitrile, methanol, THF, chloroform, and dilute acids/bases.
- Modular design with interchangeable components: 300 mL filter funnel (G3/G4 sintered frit), 1 L and 2 L conical receiving flasks (with calibrated volume markings), precision-machined stainless-steel clamps, and PTFE-sealed ground-glass joints (ISO K 29/32 standard).
- Dedicated oil-free diaphragm vacuum pump (model 900148) delivering stable vacuum levels between −85 kPa and −95 kPa, with noise emission 10,000 hours MTBF.
- Integrated solvent extraction port and sealed vacuum pathway minimize atmospheric recontamination during operation, supporting ISO 14644-1 Class 5 cleanroom-compatible handling when used with pre-sterilized filters.
- Full interchangeability of glassware across AP-series platforms ensures reproducible setup alignment and eliminates batch-to-batch variability in filtration kinetics and bubble removal efficiency.
Sample Compatibility & Compliance
The AP-01P accommodates a wide range of filtration media—including 0.22 µm and 0.45 µm PES, PVDF, nylon, and cellulose acetate membranes—as well as sintered glass frits (pore sizes 10–40 µm). It meets functional requirements for USP sub-visible particle testing in injectables, ASTM E2904-21 for solvent clarity verification, and ISO 8573-7 for compressed gas–free liquid handling. When operated with validated filter membranes and documented cleaning protocols, the system supports GLP and GMP environments requiring audit-ready traceability per FDA 21 CFR Part 11 (when paired with compliant data logging software).
Software & Data Management
While the AP-01P is a manually operated benchtop system, its modular architecture enables integration with third-party vacuum monitoring modules (e.g., digital pressure transducers with RS-485 output) for real-time logging of vacuum decay profiles. Scienhome provides optional calibration certificates (NIST-traceable pressure and volume verification) and SOP templates aligned with ISO/IEC 17025 clause 7.7 (uncertainty estimation for filtration throughput). All glass components are serialized and supplied with material certification (ASTM E438 Type I, Class A), supporting instrument qualification (IQ/OQ/PQ) documentation packages.
Applications
- HPLC/UHPLC mobile phase preparation and degassing to prevent pump cavitation and column backpressure fluctuations.
- Sterile filtration of cell culture media, buffers, and reagents under aseptic conditions (when used with 0.22 µm membranes and laminar flow hood protocols).
- Removal of insoluble particulates from nanoparticle suspensions, liposomal formulations, and protein aggregates prior to DLS or SEC-MALS analysis.
- Gravimetric residue analysis in environmental chemistry, where quantitative recovery of suspended solids requires bubble-free filtration and minimal wall adhesion.
- Pre-filtration of samples for ICP-MS and AAS to eliminate clogging of nebulizers and torch injectors.
FAQ
What pore sizes are supported by the sintered glass frit included with the AP-01P?
The standard frit is G3 (30–50 µm) or G4 (10–16 µm), configurable upon order. Membrane filters down to 0.1 µm may be used with appropriate support discs.
Is the system compatible with aggressive solvents such as DMF or DMSO?
Yes—borosilicate glass and PTFE seals exhibit full compatibility with DMF, DMSO, NMP, and halogenated solvents at ambient temperatures; prolonged exposure above 60 °C requires validation.
Can the AP-01P be used for sterile filtration under ISO 5 conditions?
When combined with pre-sterilized 0.22 µm membranes, validated aseptic assembly procedures, and laminar airflow, the system meets ISO 13408-1 requirements for sterile filtration process validation.
Does Scienhome provide installation qualification (IQ) documentation?
Yes—custom IQ/OQ packages including dimensional verification, vacuum integrity testing, and material traceability are available upon request.
What maintenance is required for the oil-free diaphragm pump?
No oil changes are needed; periodic inspection of inlet filters and replacement of diaphragms every 24 months (under normal use) ensures sustained performance.
