photoLAB - Model Batch-S -10-20 ml - Low Volume Photoreactor
From Photochemistry - Preparative Photochemistry - MPDSBASIC - Standard Laboratory Photoreactors
photoLAB Batch-S - Low volume Photoreactor 10-20 ml. In order to properly perform photochemical reactions with a small amount of liquids, special photo reactors are required. During photocatalysis in particular, the catalyst must be retained in the mixture and should not be removed from the reaction vessel along with solvent. Gas supply plays an essential role (filling the vessel with oxygen or inert gas), and temperature control must be precise. Furthermore, at low lamp output, wavelength-selective radiation and regulation of radiation flux also need to be considered.
Product Details
The Batch 10-20 ml photoreactor is developed to meet the challenges of having a low product volume and excels for this purpose. A special magnetic stirrer provides for constant mixing in the vessel. The temperature control and gas supply are designed taking into account recovery of solvent and catalyst lost through discharge and flexible radiometric characteristics.
Four water-proof magnetic drivers, specially developed by the engineers at Peschl Ultraviolet GmbH for the reactor, are mounted on an air-cooled platform. A water-cooled radiation source is located coaxially to the magnetic drivers. Photoreactors, joined to a stainless-steel mounting plate, are positioned above each magnetic driver and secured with a standardized quick-connection system. Temperature in the photoreactors can be controlled using a cryostat; a proper reflux condenser is also installed on the photoreactors. The photoreactors are surrounded by a reflector which enables optimal use of UV radiation. Every reactor can be equipped with a band-pass filter to isolate individual wavelengths from the spectrum. The radiation flux is regulated using slits.
The innovative reactor construction allows several experimental reactions to be conducted in parallel in the shortest time possible. Reaction solutions can be prepared and analysed immediately without losing time. Because of the system’s versatility, it is suitable to be used for the widest range of laboratory-scale photochemical reactions for small product volumes and quick screening in feasibility studies, although the system was originally developed with the demands of photocatalysis in mind.
Safety & Functionality
The MPDSBASIC Set includes the photonCABINET which is a double walled, light-proof protective cabinet made of stainless steel. I fulfills the legal requirements for personal safety agains optical radiation and protects surrounding materials against aging. The photonCABINET it is the only product on the market that meets the high requirements of the applicable standards, is CE compliant and also practicable and functional for operators. The necessary measures implemented for having a safe and functional product are well designed and protected by international patents.
UV radiation is harmful to eyes and skin and can cause irreparable personal injury. Furthermore materials in the ambient exposed to the UV radiation, will undergo an accelerated aging and can be destroyed. Medium pressure radiation sources have a surface temperature of up to 850° C and operate with lethal high voltage. Solvents may not present a explosion hazard for the user. The operation of photoreactors without optical protective device equipped with safety lock (aluminum foil, acrylic glass) is not allowed since the related normative standard was becoming mandatory (01.10.2013). In addition the risk analysis in accordance with EN ISO 12100 confirm, that an operation without safety cabinet is no longer sufficient and does not meet the requirements to protect employees by the owner / operator of the lab, who can be fully accountable and responsible for personal injury.
Therefore photoreactors of the MPDS modular system always come along initially with the light-proof protective cabinet, which moreover provide the electrical power to the electronic power supplies for operating the radiation sources. Photochemical experiments are therefore absolutely safe. The unique photonCABINET is practicable, easy to use and inexpensive to purchase.
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