Used Lab Glass Inc. 24-Inch Silver Vacuum Jacketed Oldershaw Mixing Column

Mid-Size 1-Inch ID Gravity Homogenizer | Standard 29/42 Joints | Rigid Corrugated Architecture

• Manufacturer: Lab Glass Inc.

• Condition: Used (Fully Inspected & Verified)

• Function: Fractional Gravity Mixing / In-Line Homogenization

• Dimensions: 24 Inches (609.6 mm) Overall Length | 1-Inch (25.4 mm) Internal Bore

• Joint Configuration: 29/42 Standard Taper Top and Bottom

• Thermal Protection: Silver-Coated Corrugated Vacuum Jacket (Rigid Design / No Bellows)

Technical Overview: The Perfect Balance of Dwell Time and Hood Space

For research professionals in the scientific community who require continuous-flow fluid homogenization without exceeding standard fume hood height restrictions, the Used Lab Glass Inc. 24-Inch Oldershaw Mixing Column is the ideal solution.

Operating as a highly efficient, laboratory-scale fractional gravity mixing column, this 2-foot borosilicate glass apparatus utilizes a densely packed internal bore of glass protrusions. As multi-part liquids or biphasic mixtures descend through the 1-inch ID column, these internal obstructions create continuous, aggressive turbulence, providing excellent mixing without the need for mechanical impellers. Featuring universal 29/42 standard taper joints and a rigid, corrugated silvered vacuum jacket, this pre-owned column delivers exceptional thermal stability and seamless integration into standard academic and research setups.

Master Technical Specifications

Core Engineering & Design Advantages

24-Inch Fractional Gravity Mixing Path

This mid-size column occupies the "sweet spot" for benchtop continuous-flow chemistry. At 24 inches in length, it provides enough vertical drop to guarantee the thorough homogenization of difficult to mix reagents or suspensions, while remaining short enough to fit comfortably within standard laboratory fume hoods alongside standard receiving flasks and dropping funnels.

Standard 29/42 Taper Joints (Universal Integration)

Unlike heavy-duty pilot-scale columns that require specialty spherical joints and clamps, this Lab Glass Inc. column is outfitted with standard 29/42 ground glass taper joints. This allows adult scientists and researchers to drop the column directly into existing synthetic chemistry apparatuses, instantly upgrading their setup with in-line mixing capabilities without needing custom glassware adapters.

Near-Adiabatic Stability via Silvered Jacketing

Temperature control is critical when mixing reactive or delicate compounds. The silver coating on a vacuum jacketed Oldershaw column is there primarily to reduce heat transfer by radiation. While the vacuum layer halts conductive heat loss, the silver thermal mirror blocks ambient radiant heat. This dual-layer defense isolates the internal 1-inch bore, ensuring that pre-chilled or heated mixtures remain at precise process temperatures during their 24-inch transit.

Rigid Corrugated Architecture (Zero Bellows)

This specific column features a corrugated vacuum jacket for enhanced physical strength and grip, but is engineered without expansion bellows. Because a 24-inch column does not experience the same extreme linear thermal expansion as a 50+ inch column, the rigid, bellow-free design provides maximum physical stability. It ensures a perfectly straight, robust fluid path for vertical installations where high-temperature thermal shock is not the primary operational hazard.

Ideal Scientific Community Applications

This used 24-inch mixing column is strictly geared toward the scientific community, offering precision performance for academic research, R&D, and analytical workflows:

• Benchtop Continuous Flow Chemistry: Serving as an unpowered, in-line static mixer for reagent feeds in modern synthetic methodologies.

• Laboratory Scale Liquid-Liquid Extractions: Forcing immiscible phases into maximum contact to efficiently extract target compounds.

• Suspension and Emulsion Generation: Utilizing the 24-inch gravity shear path to create stable, uniform mixtures prior to analysis or reaction.

• Temperature Sensitive Reagent Transfer: Moving homogenized, temperature-critical fluids between apparatus stages without exposing them to the ambient environment.

Complete Your Scientific Apparatus

Integrating this 24-inch mixing column into your research workflow requires reliable surrounding infrastructure. Source compatible equipment through HiTechTrader to complete your chemical processing stack:

• Standard 29/42 Glassware: Pair this column effortlessly with 29/42 boiling flasks, addition funnels, and receivers from our vast used laboratory equipment inventory.

• Fluid Feed Systems: Drive consistent, metered liquid flow into the column using precision laboratory pumps.

• Benchtop Synthesis: Feed perfectly mixed reagents directly into jacketed laboratory reactors or small-scale Parr reactors.

• Analytical Verification: Validate the uniformity of your extractions using top-tier analytical instruments, including reliable used GC-MS systems.

• Stay Informed: Keep up with the latest in scientific equipment sourcing, industry trends, and laboratory techniques by checking out the latest features in HTT Magazine.

Buy the Used Lab Glass Inc. 24-Inch Mixing Column

HiTechTrader offers this Used Lab Glass Inc. 24-Inch Silver Vacuum-Jacketed Oldershaw Mixing Column as a cost effective, high performance solution for laboratories requiring pristine continuous-flow homogenization without the premium price tag of new glassware.

Contact HiTechTrader today to:

• Confirm compatibility and request official pricing.

• Discuss compatibility with your existing 29/42 laboratory glassware.

• Arrange for secure, heavily padded domestic or international shipping.

FAQs

What is a laboratory scale fractional gravity mixing column?

A fractional gravity mixing column (often referred to as an Oldershaw mixing column) is a highly efficient glass apparatus used in the scientific community for continuous-flow homogenization. Instead of utilizing perforated plates for vapor separation, it uses a dense series of internal glass protrusions to constantly disrupt the path of descending liquids. This generates aggressive turbulence, perfectly mixing multi-part reagents or biphasic solutions without mechanical impellers.

Why does a 24-inch gravity mixing column have a silver vacuum jacket?

The silver coating on a vacuum-jacketed Oldershaw column is applied primarily to reduce heat transfer by thermal radiation. While the deep vacuum eliminates conductive heat loss, the reflective silver layer acts as a thermal mirror. This ensures the internal chemical mixture remains entirely isolated from ambient laboratory temperatures, maintaining strict thermal stability during its 24-inch transit through the column.