Description
Professional Vacuum Filtration Apparatus (Buchner Filter System)
The Professional Vacuum Filtration Apparatus is a high-efficiency laboratory system engineered for rapid fluid purification, solvent clarification, suspended solids analysis, and micro-particle harvesting. Widely utilized in analytical chemistry, environmental testing, microbiology, and pharmaceutical laboratories, this complete assembly uses a vacuum differential to draw liquids through a membrane filter, providing exceptionally fast and clean separations compared to standard gravity filtration.
Key Features & Benefits
1. Premium Borosilicate Glass Construction
Crafted entirely from heavy-duty, thermal-shock-resistant borosilicate glass, this filtration assembly withstands high vacuum pressure differentials without risk of implosion. The inert nature of the glass ensures zero chemical leaching, making it ideal for processing aggressive solvents, strong acids, organic compounds, and high-purity analytical samples.
2. Leak-Proof Ground Glass Joint & Secure Clamp
The system features a precision ground-glass joint interface between the filter funnel and the receiving flask, paired with an ergonomic anodized aluminum or secure polymer spring clamp. This ensures an airtight, uniform seal around the filter membrane, maximizing vacuum efficiency and preventing any unfiltered bypass or bypass contamination.
3. Optimized Fritted Glass Support Base
Equipped with an integrated fritted glass filter support disc, the apparatus provides a perfectly flat, uniform surface for holding membrane filters (such as nylon, PTFE, or PVDF discs). The controlled porosity of the fritted base ensures rapid, even filtrate distribution across the entire membrane area while preventing filter tearing or structural sagging under maximum vacuum pressure.
4. Ergonomic Filtering Flask & Vacuum Adapter
The underlying heavy-wall receiving flask is engineered with a stable, wide-base design to prevent tipping on crowded laboratory workbenches. It features an integrated hose barb connection positioned well above the maximum liquid line, allowing secure connection to standard laboratory vacuum pumps, aspirators, or centralized vacuum lines.
| Specification | Details |
| Material Composition | Premium Borosilicate Glass (Coefficients of Expansion: 3.3) |
| Filter Funnel Capacity | 300 mL (Standard Analytical Series) |
| Receiving Flask Capacity | 1000 mL (Available in 250mL to 2000mL configurations) |
| Suitable Filter Diameter | 47 mm or 50 mm Membrane Filter Discs |
| Support Base Type | Integrated Coarse Fritted Glass Disc |
| Connection Joint | Ground Glass Joint with Aluminum Spring Clamp |
| Vacuum Hose Connector | Integral Glass Barb (Fits 6mm to 8mm ID flexible vacuum tubing) |
Product Size & Weight (Standard 1000mL / 300mL Setup)
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Assembled System Height: Approx. 450 mm (17.7″) from base to funnel top
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Receiving Flask Base Diameter: Approx. 140 mm (5.5″)
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Net Weight (NW): Approx. 1.8 kg (3.9 lbs)
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Gross Weight (GW): Approx. 2.6 kg (5.7 lbs) shipped in custom-molded, shock-absorbent expanded polystyrene (EPS) packaging inside a heavy-duty carton to prevent glassware transit breakage
Ideal Applications
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HPLC Solvent Purification: Filtering and degassing mobile phases, organic solvents, and aqueous solutions to protect sensitive HPLC columns and pumps from particulate damage.
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Environmental Water Quality: Conducting Gravimetric analysis of Total Suspended Solids (TSS), particulate monitoring, and wastewater pollution sampling.
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Microbiology & Sterilization: Cold-sterilization or clarification of biological buffers, cell culture media, and thermolabile proteins using sterile membrane discs.
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Chemical Synthesis & Extraction: Rapid isolation of precipitated crystals, powdered catalysts, and botanical extracts from liquid reaction mixtures.
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