Order Code	Product Name
L-10-02-M02	Glass Solvent Filter | Mining Laboratory Vacuum Filtration Apparatus for Sample Preparation

Glass Solvent Filter for Mining Laboratory Sample Preparation

Brief Introduction

The Glass Solvent Filter is a durable laboratory vacuum filtration apparatus designed for mining laboratories, metallurgical testing facilities and analytical workflows. Constructed from premium heavy-duty glass with uniform wall thickness, it provides excellent pressure resistance, chemical stability and strong acid and alkali tolerance.

Compatible with different membrane materials and pore sizes, this filtration system efficiently removes suspended particles, purifies solvents and supports sterile filtration of laboratory liquids. Its interchangeable components and reliable structure improve mineral sample preparation efficiency, maintain testing consistency and support long-term laboratory operation.

Application Scope

The Glass Solvent Filter is widely applied in mineral sample preparation, metallurgical testing and routine analytical filtration processes. It is suitable for clarifying aqueous ore solutions, acidic digestion liquids and hydrometallurgical process solutions before instrumental analysis.

This vacuum filtration apparatus supports sample pretreatment for analytical methods including HPLC, GC and AA mineral composition analysis by reducing suspended impurities and improving solution cleanliness. It is also suitable for suspended solid measurement, microbial detection, environmental water filtration and general laboratory quality control applications.

Features

Premium Glass Construction Ensures Testing Accuracy

Manufactured from heavy-duty glass with stable chemical inertness, the filter system provides reliable resistance against acidic, alkaline and conventional organic solvent environments used in mineral testing. The stable glass structure helps reduce contamination risks and supports consistent sample quality for repeatable analytical results.

Uniform Pressure-Resistant Structure Improves Operational Reliability

The evenly thickened glass wall design provides strong pressure resistance during continuous vacuum filtration cycles. Standardized components improve interchangeability, allowing convenient maintenance and replacement while maintaining stable filtration performance during daily laboratory operation.

Flexible Membrane Compatibility Optimizes Laboratory Workflow

The system supports different filtration membrane materials and pore sizes according to sample requirements. The modular structure, including glass funnel, sintered filter head and aluminum clip, enables convenient assembly, cleaning and reuse for efficient batch sample pretreatment.

Standardized Configuration Supports Mining Analytical Applications

Compatible with conventional laboratory vacuum pumps and analytical instruments such as HPLC, GC and AA, this filtration apparatus integrates smoothly into mineral sample preparation, metallurgical solution purification and routine laboratory testing workflows.

High Interchangeability Reduces Long-Term Operating Costs

The universal component design allows individual parts to be replaced without changing the complete filtration system. Durable glass construction and reusable structural components help reduce long-term equipment replacement and maintenance costs.

Specification

• Product Name: Glass Solvent Filter

• Core Material: Premium heavy-duty glass

• Structural Features: Uniform wall thickness, high pressure resistance, strong acid and alkali resistance, high interchangeability

• Standard Accessories: Glass filter cup, glass receiving flask, anodized aluminum clip, sintered filter head, rubber or ground joint connector

• Core Functions: Liquid impurity removal, solvent purification, sterile filtration, suspended solid detection

• Applicable Analysis: HPLC, GC, AA, DNA/RNA hybridization and other micro-analysis sample pretreatment

• Available Models:

• VFG030010: 300ml cup, 1000ml flask, rubber joint

• VFG030010P: 300ml cup, 1000ml flask, ground joint

• VFG030020: 300ml cup, 2000ml flask, rubber joint

• VFG030020P: 300ml cup, 2000ml flask, ground joint

• VFG030F: 300ml upper cup assembly with 47mm sintered head

• VFG050020 / VFG050020P: 500ml cup, 2000ml flask

• VFG0500GF: 500ml glass funnel

• Independent flasks: 1000ml, 2000ml, 5000ml (filter / receiving type)

• VFG147SS: Spare sintered filter head

• DISPAD04: Standard conversion joint for Australia & New Zealand specifications

Why Choose FKN PANDA

FKN PANDA supplies high-stability Glass Solvent Filter systems for global mining laboratories, metallurgical testing institutions and analytical facilities. The heavy-duty glass construction provides reliable pressure resistance, chemical stability and consistent component interchangeability.

With complete model options and compatible spare parts, our filtration systems support diverse mineral sample preparation and metallurgical testing requirements. The durable design, flexible assembly structure and stable filtration performance help laboratory teams improve workflow efficiency while reducing long-term replacement and maintenance costs.

Glass Sintered Funnel – FAQ

Q1. How to select G3 versus G4 sintered glass funnels for different ore particle size ranges in mineral testing?

The selection between G3 and G4 sintered glass funnels should be based on the particle characteristics of the mineral sample and the filtration objective. G3 sintered discs are commonly used for general laboratory filtration where a balance between flow rate and particle retention is required, while G4 provides finer filtration for applications requiring higher retention of smaller particles. In mining laboratories, the choice should consider the sample type, solids loading, downstream analysis requirements, and whether the filtration step supports mineral testing, leaching residue evaluation, or metallurgical research.

Q2. Which borosilicate glass sintered funnel porosity is optimal for hydrometallurgical leaching residue filtration?

For hydrometallurgical leaching residue filtration, the appropriate sintered glass funnel porosity depends on residue particle size, slurry characteristics, and the required separation efficiency. Fine residues from mineral leaching may require finer porosity to retain solid particles, while coarse residues may benefit from a larger pore structure to maintain filtration efficiency. Laboratory technicians should evaluate the relationship between filtration speed, particle retention, and sample recovery when selecting a G3 or G4 sintered funnel for metallurgical testing workflows.

Q3. What factors should be considered when choosing sintered glass funnel capacity for metallurgical laboratory workflows?

Sintered glass funnel capacity should be selected according to sample volume, expected solid loading, filtration frequency, and the requirements of the laboratory workflow. In mineral processing and metallurgical laboratories, larger capacity funnels may support batch filtration operations, while smaller configurations can be suitable for analytical-scale sample preparation. The selection should also consider compatibility with existing vacuum filtration systems, sample transfer requirements, and the need for consistent processing during repeated mineral evaluation procedures.

Q4. How does G3/G4 pore size affect filtration rate for fine-grained copper ore concentrate samples?

The pore structure of G3 and G4 sintered glass funnels directly influences the balance between filtration rate and particle retention when processing fine mineral concentrates. A finer pore structure can improve retention of smaller particles but may reduce flow speed when handling high-solid-content samples. For copper ore concentrate filtration, laboratories should consider concentrate particle size distribution, slurry viscosity, and whether the filtered sample will be used for further mineral testing, chemical analysis, or metallurgical evaluation.

Q5. Can sintered glass funnels handle strong acid solutions in gold cyanidation test work without degradation?

Borosilicate glass sintered funnels are commonly selected for laboratory filtration because of their chemical resistance in many mineral testing applications. However, compatibility with strong acids, oxidizing agents, and specific chemical systems should always be evaluated according to the actual test procedure. In gold cyanidation and related metallurgical workflows, laboratories should confirm operating conditions, cleaning requirements, and chemical exposure limits to ensure reliable filtration performance and maintain sample integrity.

Q6. How to ensure testing repeatability across multiple sintered glass funnels in mineral processing evaluation?

Testing repeatability depends on consistent funnel selection, proper cleaning procedures, controlled operating conditions, and stable filtration practices. Mining laboratories using multiple sintered glass funnels should maintain consistent porosity grades, handling methods, and preparation procedures for comparable results. Regular inspection of the sintered disc condition can help identify clogging, damage, or changes in filtration behavior that may influence mineral processing evaluations and metallurgical test data quality.

Q7. What cleaning protocols restore sintered glass funnel permeability after filtering nickel laterite slurries?

Cleaning procedures for sintered glass funnels should be selected according to the composition of the filtered mineral slurry and the type of residue retained in the porous structure. Nickel laterite slurries may contain fine particles and mineral components that can reduce permeability over time. Laboratories typically use appropriate cleaning methods compatible with borosilicate glass, followed by inspection to confirm that the porous disc remains functional before reuse in further sample preparation or hydrometallurgical testing.

Q8. How does sintered glass funnel pore size distribution affect particle size analysis accuracy in mineral characterization?

Sintered glass funnel pore size distribution can influence the efficiency of solid-liquid separation during mineral characterization procedures. If the selected porosity is not suitable for the sample particle size range, fine particles may pass through or excessive retention may affect sample recovery. Selecting the appropriate G3 or G4 configuration helps laboratories maintain more consistent sample preparation conditions before analytical processes, supporting reliable mineral testing and evaluation workflows.

Q9. What maintenance schedules extend sintered glass funnel lifespan in high-throughput mining laboratories?

Long-term operation of sintered glass funnels requires appropriate cleaning, careful handling, and regular inspection of the glass body and porous disc. In high-throughput mining laboratories, maintenance practices should focus on preventing permanent blockage, avoiding mechanical damage, and ensuring consistent filtration performance between batches. Establishing routine checks based on sample type, filtration frequency, and operating conditions can help support continuous laboratory operation and reduce unexpected interruptions.

Q10. How to integrate G3/G4 sintered funnels into existing mineral analysis workflows?

G3/G4 sintered glass funnels can be integrated into mineral analysis workflows as part of sample preparation, residue filtration, and solid-liquid separation procedures. They are commonly used between stages such as metallurgical testing and analytical preparation, where controlled filtration is required before further examination. When integrating these funnels into an existing laboratory setup, factors such as vacuum system compatibility, sample characteristics, cleaning procedures, and workflow requirements should be considered to maintain efficient and repeatable testing operations.

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