New Lab Glass 32-Inch Silver Vacuum Jacketed Oldershaw Mixing Column

Ultra-Micro 10mm Bore | Extreme Thermal Fortress (2.75-Inch OD) | 24/40 Standard Joints

• Manufacturer: Lab Glass

• Condition: New (Unused, Pristine)

• Function: Fractional Gravity Mixing / Ultra-Low Volume Homogenization

• Profile: 32 Inches (812.8 mm) Length | 0.3-Inch (10 mm) Internal Diameter

• Insulation Rating: Extreme (2.75-Inch / 70 mm Outer Jacket Diameter)

• Joint Configuration: 24/40 Top and Bottom Standard Taper Joints

• Thermal Stress Relief: Silver-Coated Vacuum Jacket with Corrugated Expansion Bellows

Technical Overview: The Micro-Volume Thermal Fortress

When continuous-flow synthesis involves exceptionally rare, expensive, or highly temperature-sensitive reagents, standard column diameters cause unacceptable product loss through liquid holdup. The New Lab Glass 32-Inch Oldershaw Mixing Column completely reimagines the fluid homogenization profile by pairing a hyper-narrow 10mm internal bore with a massive 70mm outer vacuum jacket.

Geared specifically towards the scientific community for high-level R&D, this highly efficient, laboratory-scale fractional gravity mixing column is constructed from premium borosilicate glass. As micro-volume liquid samples travel down the 32-inch path, closely packed internal protrusions aggressively disrupt the flow, adding excellent mixing via continuous shear forces. What sets this column apart is its extreme insulation-to-bore ratio. The exceptionally wide 2.75-inch OD vacuum jacket provides a profound thermal barrier, fortified by expansion bellows and standard 24/40 joints, making this pristine glassware the ultimate tool for adult scientists managing ultra-sensitive, low-volume continuous reactions.

Master Technical Specifications

Core Engineering & Design Advantages

Ultra-Micro 10mm (0.3-Inch) Internal Bore

Most mixing columns feature a 1-inch or 2-inch ID, which requires a substantial fluid charge just to wet the internal protrusions. This unique Lab Glass column features a highly restricted 10mm (0.3-inch) internal diameter. This capillary-like profile drastically reduces liquid holdup, forcing even the smallest reagent volumes into intense, turbulent contact over the 32-inch vertical drop. It is the definitive choice for homogenizing highly valuable active pharmaceutical ingredients (APIs) or isotopically labeled compounds.

Extreme Insulation to Bore Ratio

The architectural contrast of this column is its greatest asset. Surrounding the tiny 10mm inner tube is a massive 2.75-inch (70 mm) outer jacket, creating an exceptionally thick vacuum barrier. Furthermore, the silver coating on a vacuum-jacketed Oldershaw column is there primarily to reduce heat transfer by radiation. The combination of this deep vacuum void and the radiant-blocking silver mirror creates a "thermal fortress," ensuring micro-volumes of fluid—which are highly susceptible to rapid temperature loss—maintain their exact thermal profile from inlet to outlet.

Corrugated Expansion Bellows

Because the inner micro-bore operates at process temperatures while the massive outer jacket remains at ambient room temperature, the differential thermal expansion inside this apparatus is immense. Lab Glass engineered this unit with corrugated expansion bellows integrated into the outer jacket. These borosilicate folds act as a mechanical shock absorber, safely flexing to prevent the glass from shattering during rapid thermal cycling.

Universal 24/40 Standard Taper Integration

Despite its highly specialized internal architecture, this column is designed for effortless integration. Outfitted with ubiquitous 24/40 standard taper ground glass joints, researchers can immediately drop this 32-inch continuous-flow mixer into existing benchtop fume hood setups, mating seamlessly with standard addition funnels and receiving flasks.

Ideal Scientific Community Applications

This highly specialized, brand new mixing column is designed for stringent laboratory environments:

• Micro-Scale Continuous Flow: Providing unpowered, high-turbulence fluid homogenization for low-volume academic methodology development.

• Precious Catalyst Suspension: Mixing highly expensive, low-volume liquid-catalyst suspensions without significant material loss to column wetting.

• Cryogenic Fluid Transfer: Utilizing the massive 2.75-inch vacuum jacket to continuously mix and drop cryo-chilled reagents across a 32-inch gap without thermal degradation.

• Isotopic Labeling Processes: Handling highly restricted, temperature-sensitive radioactive or stable isotope solutions in closed-loop benchtop setups.

Complete Your Micro-Scale Continuous Flow Stack

Precision glassware requires precision infrastructure. Source compatible equipment through HiTechTrader to build out your high-efficiency chemical processing stack:

• Standard 24/40 Glassware: Pair this micro-bore column instantly with 24/40 boiling flasks, distillation heads, and receivers from our premium used laboratory equipment catalog.

• Micro-Fluidic Metering: Drive highly accurate, ultra-low-volume liquid flow into the top of this 10mm ID column using our specialized laboratory pumps.

• Precision Reactors: Feed perfectly homogenized, micro-volume reagents directly into benchtop laboratory reactors or small-scale Parr reactors.

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

• Industry Insights: Discover the latest methodologies in continuous-flow chemistry and scientific apparatus engineering by reading the latest issues of HTT Magazine.

Buy the New Lab Glass 32-Inch Micro-Bore Mixing Column

HiTechTrader offers this New Lab Glass 32-Inch Silver Vacuum-Jacketed Oldershaw Mixing Column as an elite solution for laboratories processing high-value, temperature-sensitive reagents in a compact fume-hood footprint.

Contact HiTechTrader today to:

• Request official pricing and confirm compatibility.

• Discuss micro flow integration with your existing 24/40 laboratory setups.

• Arrange for secure, custom padded domestic or international freight shipping.

FAQs

What is an Oldershaw gravity mixing column used for?

An Oldershaw mixing column is a highly efficient, laboratory-scale fractional gravity mixing apparatus. Constructed from borosilicate glass, it utilizes internal protrusions placed close together to add excellent mixing of a liquid as it flows through the column. This gravity-driven shear force perfectly homogenizes multi-part reagents or biphasic solutions without the need for mechanical impellers, making it ideal for continuous-flow chemistry.

Why does a micro-bore Oldershaw column need such a large silver vacuum jacket?

When dealing with very narrow internal diameters (such as a 10mm bore), the fluid is highly vulnerable to rapid temperature loss. The extreme thickness of the vacuum jacket prevents conductive heat loss, while the silver coating on a vacuum-jacketed Oldershaw column is there primarily to reduce heat transfer by radiation. Together with integrated expansion bellows to handle thermal stress, this architecture ensures ultra-low-volume samples remain at their exact process temperature during transit.