FORTUNA OPTIFIX® SOLVENT Bottle Top Dispenser, 10–50 mL

Overview

The FORTUNA OPTIFIX® SOLVENT Bottle Top Dispenser is a precision-engineered manual liquid handling instrument designed for accurate, repeatable, and visually monitored dispensing of organic solvents and low-viscosity reagents in analytical, quality control, and synthetic laboratories. Based on positive displacement volumetric principle, it operates via a calibrated glass cylinder and PTFE-coated piston assembly, ensuring minimal adsorption, chemical inertness, and long-term calibration stability. Unlike air-displacement pipettes, the OPTIFIX® SOLVENT eliminates vapor pressure interference and evaporation-related inaccuracies—critical when handling volatile solvents such as acetone, methanol, chloroform, or ethyl acetate. Its transparent borosilicate glass cylinder allows real-time observation of liquid level, meniscus formation, and bubble-free aspiration—enabling immediate verification of volume setting and dispensing integrity. The device complies with ISO 8536-4 (glass containers for pharmaceutical use) and DIN EN ISO 8655-3 (volumetric instruments — piston-operated burettes), supporting traceable, auditable workflows in regulated environments.

Key Features

• Optimized for solvent compatibility: Chemically resistant borosilicate glass cylinder and PTFE-coated piston ensure minimal interaction with polar and non-polar organic solvents.
• Visual volume control: Fully transparent cylinder with laser-etched graduations (0.1 mL increments for 10–50 mL range) enables precise meniscus alignment under standard lab lighting.
• GL40 and GL45 dual-thread adapters included: Two polypropylene (PP) screw-on adapters permit secure mounting onto common laboratory reagent bottles without cross-threading or leakage.
• PTFE delivery tube with integrated suction valve: Prevents dripping, backflow, and residual carryover; compatible with both upright and tilted dispensing positions.
• Ergonomic single-action lever: Requires only one smooth downward stroke per dispense—reducing operator fatigue during high-frequency use.
• Calibration traceability: Supplied with individual factory calibration certificate (ISO/IEC 17025-accredited), including uncertainty values and reference temperature (20 °C).

Sample Compatibility & Compliance

The OPTIFIX® SOLVENT is validated for use with aliphatic and aromatic hydrocarbons, halogenated solvents, alcohols, esters, ketones, and ethers—excluding hydrofluoric acid (HF), strong oxidizers (e.g., concentrated nitric or perchloric acid), and highly viscous liquids (>500 mPa·s). It meets material compatibility requirements per ASTM D543 and EU Regulation (EC) No 1935/2004 for materials intended to come into contact with laboratory chemicals. For GLP/GMP applications, the dispenser supports audit-ready documentation: each unit bears a unique serial number engraved on the base; calibration records are retained for ≥5 years per internal quality protocol. While not electronically controlled, its mechanical design inherently satisfies FDA 21 CFR Part 11 principles for manual systems—no electronic records, no electronic signatures required.

Software & Data Management

As a fully manual, non-electronic dispensing system, the OPTIFIX® SOLVENT does not incorporate onboard software, firmware, or digital interfaces. Volume selection and dispensing are performed mechanically via graduated scale reading and lever actuation—eliminating dependency on power sources, battery life, or software updates. This architecture ensures operational continuity during power outages, electromagnetic interference, or IT infrastructure downtime. Calibration data is maintained externally in paper-based or LIMS-integrated formats (e.g., PDF certificates imported into LabWare or STARLIMS). Users may log dispensing events manually in bound notebooks or electronic lab notebooks (ELNs) compliant with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available).

Applications

• Preparation of standard solutions and dilution series in HPLC, GC, and UV-Vis spectroscopy sample workflows.
• Accurate transfer of solvents during TLC mobile phase preparation and column chromatography eluent formulation.
• Reagent addition in titration setups where visual meniscus control improves endpoint reproducibility.
• Dispensing of flammable solvents in fume hoods—lever mechanism minimizes static generation versus plunger-style devices.
• Teaching laboratories: Demonstrates fundamental volumetric principles, meniscus reading, and calibration hierarchy without software abstraction.

FAQ

Is the OPTIFIX® SOLVENT suitable for hydrofluoric acid (HF)?

No. HF requires the dedicated FORTUNA UNIVERSAL® OPTIFIX® HF model, which features a full PTFE cylinder and specialized sealing geometry.
Can I recalibrate the dispenser in-house?

Yes—using gravimetric methods per ISO 8655-3. Required equipment includes Class A analytical balance (0.0001 g readability), certified weight set, distilled water (20 °C), and temperature-controlled environment. Recalibration interval is recommended every 6 months or after 5000 cycles.
What maintenance is required?

Rinse with compatible solvent after each use; disassemble piston weekly for inspection; replace PTFE seals annually or if leakage exceeds ±0.2 mL at nominal volume.
Does the device comply with USP or Ph. Eur. 2.9.37?

While not pharmacopoeial-certified per se, its dimensional accuracy, material biocompatibility, and calibration traceability align with the metrological requirements specified in both chapters for volumetric dispensing devices used in pharmaceutical analysis.
Are replacement parts available separately?

Yes—PTFE delivery tubes (P/N 101.082-xx), PP adapters (GL40/GL45), and glass cylinders are stocked globally through authorized FORTUNA distributors with ≤5 business day lead time.