GreenHouse Blowdown Evaporator

Parallel evaporation of chemistry samples in vials, tubes and microtiter plates

The GreenHouse Blowdown Evaporator is designed for the parallel evaporation of chemistry samples and HPLC fractions in 8 or 24 positions. Instead of processing samples individually, the system enables simultaneous evaporation of multiple samples, helping to streamline post-synthesis work-up.

The system can be used to upgrade an existing GreenHouse Plus Parallel Synthesizer for parallel evaporation or purchased as a standalone benchtop evaporation system.

Controlled sample evaporation

The GreenHouse Blowdown Evaporator combines digitally controlled heating with a precisely regulated flow of inert gas to provide controlled sample evaporation.

Key advantages include:

• No vacuum is required, helping to protect sensitive samples during the evaporation process
• Interchangeable blowdown pin plates with either 8 or 24 hollow pins distribute an equal flow of inert gas to every tube, vial or microtiter well
• Optional flowmeter allows precise adjustment of the drying gas flow
• Nickel-plated aluminum construction provides chemical resistance
• Open design enables observation of samples throughout the evaporation process

Solvent containment and collection

The enclosed system contains evaporating solvent, allowing subsequent trapping and collection through a high-performance glass condenser. A safety relief valve on the gas inlet helps prevent overpressure during operation.

Digital temperature control enables careful adjustment of the evaporation temperature and rate, making it suitable for protecting temperature-sensitive samples while maintaining efficient solvent removal.

Compatible sample formats

The GreenHouse Blowdown Evaporator is compatible with a wide range of laboratory sample containers. GreenHouse reaction tubes can be evaporated directly in the standard GreenHouse reaction block without transferring them to another holder.

Compatible formats include:

• GreenHouse reaction tubes from 0.5 to 7 mL
• 8- or 24-position vial racks
• Vials with diameters of 13 mm, 13.8 mm, 15 mm, 24.3 mm and 27.8 mm
• 8- or 24-well microtiter plates

A selection of vial racks is available for arranging commonly used vial sizes in 6 × 4 or 4 × 2 configurations.

Flexible system configuration

It is possible to insert the blowdown adaptor into the GreenHouse base to accommodate vial racks or microtiter plates. Alternatively, users can use the system with the dedicated low-profile Blowdown Base. The removable blowdown head features quick-release handles, allowing rapid exchange of the 8- or 24-position blowdown pin plates according to the application.

Key features

• Parallel evaporation of 8 or 24 samples simultaneously
• Suitable for chemistry samples and HPLC fractions
• Available as a GreenHouse Plus upgrade or standalone benchtop system
• Digital temperature control for precise evaporation
• Inert gas blowdown without vacuum to avoid sample bumping
• Interchangeable 8- and 24-position blowdown pin plates for uniform gas distribution
• Enclosed design for solvent containment and collection through a glass condenser
• Safety relief valve to prevent overpressure
• Nickel-plated aluminum construction for excellent chemical resistance
• Direct evaporation of GreenHouse reaction tubes without reloading
• Compatible with GreenHouse tubes, vial racks and microtiter plates
• Optional flowmeter for precise control of inert drying gas flow