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Carousel 12 Plus Reaction Station

The patented Carousel 12 Plus simultaneously heats/cools, stirs and refluxes multiple samples under an inert atmosphere. An effective personal synthesis station for parallel solution phase chemistry and solid supported reagent based synthesis.

Heat, cool, stir and reflux multiple samples

• Accepts up to 12 glass tubes with a reaction volume from 1 ml to 20 ml
• Powerful, even stirring – fits on to a Carousel stirring hotplate
• Rapid heating to 220 ˚C and cooling to -78 ˚C
• Quick to set-up and easy to use
• Easy viewing of tube contents during experiments
• Removable water-cooled reflux head

An effective personal synthesis station

• Perform reactions under an inert atmosphere
• Fluoropolymer coating for chemical resistance and easy cleaning
• PTFE caps feature a ‘quick-thread’ for fast attachment to glass tubes
• Removable reflux head enables all reaction tubes to be to be removed simultaneously for transfer to a stand or for rapid post synthesis cooling

...when we talk about experiments for route scouting or optimisation, we refer to it as 'doing a carousel'. That is a reflection of how much it has positively changed our ways of working.Toxicological Testing Process Chemist, Lundbeck

Rapid, efficient heating

Locating onto the Carousel Stirring Hotplate, the Carousel 12 Plus will simultaneously heat up to 12 reactions from ambient to 180 ˚C (220 ˚C for short periods) with an accuracy of ±1 ˚C. The temperature can be controlled using the hotplate’s integral digital control or for greater accuracy, via an optional Pt1000 temperature sensor. The Pt1000 temperature sensor allows users to control by block or solution temperature. Either insert the temperature sensor into the aluminium base or through the Suba-Seal in the cap, directly into the reaction solution.

Powerful, even stirring

The Carousel’s patented design ensures powerful and equal stirring in all 12 reaction tubes. By positioning the tubes and magnetic stirrer bars equidistant from the stirring hotplate’s centrally located magnet, the Carousel ensures that all tubes are stirred at the same speed. This simple design coupled with high performance stirring bars provides powerful magnetic stirring from 30 to 1400 rpm.

Efficient refluxing

The Carousel’s integral water-cooled reflux/inerting head provides efficient cooling to all tubes; minimising solvent evaporation and loss. Water circulates inside the reflux head creating a cooling zone within the upper part of each tube, where vapours cool and condense back into the reaction. Quick-release water couplings with integral shut-off valves aid the connection of the water supply and minimise leaks.

Powerful, Even Stirring

• Patented design - uses the magnetic field of the stirring hotplate to stir all the positions evenly and powerfully
• Rare earth cross shaped stirring bars for more vigorous stirring

Aluminium Heated Base

• Compact design improves heat transfer and provides energy savings
• Maximum operating temperature 180 ºC (220 ºC for short periods)

Aluminium Reflux Head

• Efficient refluxing
• Water-cooled
• Easy quick-release couplings

Reaction Tubes

• 12 heavy duty glass tubes
• Reaction volume of 5 to 20 ml (1 ml with reduced volume tubes)

Viewing Slots

• Good visibility of tube contents
• Easy to rotate round design gives access to all tubes

Insulating PTFE Plate

• Removable PTFE insulating plate
• Faster heating and energy savings of up to 36%

Temperature Control

• Heated via hotplate
• Precise temperature control ±1 ºC
• Optional Pt1000 temp. sensor
• Up to 180 ℃ (220 ℃ for short periods)

Carousel Stirring Hotplate

• Single rotating magnetic field to stir all positions
• Even and powerful stirring
• Choice of 3 models

Chemical-Resistant

• Fluoropolymer coating
• Easy to clean

Quick-Release Water Couplings

• Push fit couplings connect cooling water supply to reflux head without leaks
• Shut-off valves prevent dripping

Easy-on PTFE Caps

• Chemical-resistant
• Quick-thread for fast attachment
• Push-on connections to the stainless steel gas outlets

Central Vacuum/Gas Quick-Release inlet/outlet

• Use for vacuum or inert gas
• Radial vacuum/gas distribution system
• Perform reactions under an inert atmosphere

Compact

• Small bench-top footprint
• Easy to store

The range

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Carousel 12 Plus Systems

Everything you need in convenient easy to order systems

Carousel 12 Plus - Basic System 1

RR91091 Carousel 12 Plus – Basic System 1

Comprising of:
RR91030 – 1 x Carousel 12 Plus Reaction Station
RR91080 – 6 x Quick-Thread Glass Reaction Tube 24x150mm
RR91081 – 12 x Quick-Thread Glass Reaction Tube 24x150mm
RR91070 – 6 x Easy-On PTFE Cap
RR91070 – 6 x Easy-On PTFE Cap
RR98070 – 20 x Octagonal Stirring Bar 13mm
RR98091 – 20 x Cross Shape Stirring Bar 16.5mm RE
RR98094 – 1 x PTFE Magnetic Stirring Bar Retriever 350mm
RR98095 – 30 x PTFE Magnetic Stirring Bar Evaluation Kit
RR98076 – 100 x Silicone Septa for All PTFE Caps
RR98901 – 1 x Zinc Plated Wire Rack for 36 x 24mm Carousel Tubes

Carousel 12 Plus - Standard System 2

RR91092 Carousel 12 Plus – Standard System 2

With stand and stirring hotplate

Comprising of:
RR91030 – 1 x Carousel 12 Plus Reaction Station
RR91080 – 6 x Quick-Thread Glass Reaction Tube 24x150mm
RR91081 – 12 x Quick-Thread Glass Reaction Tube 24x150mm
RR91070 – 6 x Easy-On PTFE Cap
RR91070 – 6 x Easy-On PTFE Cap
RR98070 – 20 x Octagonal Stirring Bar 13mm
RR98091 – 20 x Cross Shape Stirring Bar 16.5mm RE
RR98094 – 1 x PTFE Magnetic Stirring Bar Retriever 350mm
RR98095 – 30 x PTFE Magnetic Stirring Bar Evaluation Kit
RR98076 – 100 x Silicone Septa for All PTFE Caps
RR98901 – 1 x Zinc Plated Wire Rack for 36 x 24mm Carousel Tubes
RR91038 – 1 x Carousel 12 Plus Stand
RR91206 – 1 x Carousel Tech Stirring Hotplate + Pt1000 230v UK Plug

Carousel 12 Plus - Complete System 3

RR91093 Carousel 12 Plus – Complete System 3

Heated and cooled system

Comprising of:
RR91030 – 1 x Carousel 12 Plus Reaction Station
RR91080 – 6 x Quick-Thread Glass Reaction Tube 24x150mm
RR91081 – 12 x Quick-Thread Glass Reaction Tube 24x150mm
RR91070 – 6 x Easy-On PTFE Cap
RR91070 – 6 x Easy-On PTFE Cap
RR98070 – 20 x Octagonal Stirring Bar 13mm
RR98091 – 20 x Cross Shape Stirring Bar 16.5mm RE
RR98094 – 1 x PTFE Magnetic Stirring Bar Retriever 350mm
RR98095 – 30 x PTFE Magnetic Stirring Bar Evaluation Kit
RR98076 – 100 x Silicone Septa for All PTFE Caps
RR98901 – 1 x Zinc Plated Wire Rack for 36 x 24mm Carousel Tubes
RR91038 – 1 x Carousel 12 Plus Stand
RR91206 – 1 x Carousel Tech Stirring Hotplate + Pt1000 230v UK Plug
RR91040 – 1 x Carousel 12 Plus Cooling Reservoir & Lid
RR99905 – 1 x Digital Thermometer (-250C to +400C) & 200mm Probe
RR99908 – 1 x Dry Ice Scoop

Carousel 12 Plus Components

RR91032 Carousel 12 Plus Reflux/Inerting Head
RR91034 Carousel 12 Plus Heating Base
RR91036 Carousel 12 Plus Insulating Plates

Carousel 12 Plus Stand

RR91038 Carousel 12 Plus Stand

Cooled Carousel 12 Plus Components

RR91040 Carousel 12 Plus Cooling Reservoir & Lid
RR91041 Carousel 12 Plus Cooling Lid

Cooling Protection Kit

RR71505 Cooling Protection Kit

Comprising of the following:
1 x RR99909 Cold Temp. Apron 1060mm long Waterproof
1 x RR99910 Protective Faceshield
1 x RR98024 Protective Cold Temperature Gloves

Carousel 12 Plus Cooling Accessories

RR99905 Digital Thermometer (-250°C to +400°C) and 200mm Probe
RR99906 Digital Thermometer (-250°C to +400°C)
RR99907 200mm Temperature Probe
RR99908 Dry Ice Scoop
RR99909 Cold Temp. Apron 1060mm long Waterproof
RR99910 Protective Faceshield
RR98024 Protective Cold Temperature Gloves

RR71505 Cooling Protection Kit
Comprising of the following:
1 x RR99909 Cold Temp. Apron 1060mm long Waterproof
1 x RR99910 Protective Faceshield
1 x RR98024 Protective Cold Temperature Gloves

Click to download these resources

[

Carousel 12 Plus and Cooled Reaction Stations Leaflet

](https://www.radleys.com/resources/carousel-12-plus-and-cooled-reaction-station/)[Read more](https://www.radleys.com/resources/carousel-12-plus-and-cooled-reaction-station/)

[

Carousel 12 Plus Instructions

](https://www.radleys.com/resources/carousel-12-plus-instructions-2/)[Read more](https://www.radleys.com/resources/carousel-12-plus-instructions-2/)

[

Carousel 12 Plus Quick Connects Guide

](https://www.radleys.com/resources/carousel-12-plus-quick-connects-guide/)[Read more](https://www.radleys.com/resources/carousel-12-plus-quick-connects-guide/)

[

Multi-Scale Synthesis Workstation Application Bulletin

](https://www.radleys.com/resources/multi-scale-synthesis-workstation-application-bulletin/)[Read more](https://www.radleys.com/resources/multi-scale-synthesis-workstation-application-bulletin/)

[

Radleys International Product Guide

](https://www.radleys.com/resources/radleys-international-product-guide/)[Read more](https://www.radleys.com/resources/radleys-international-product-guide/)

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Easy viewing of tube contents

Viewing slots in the heated base allow a view of tube contents during synthesis. The Carousel’s circular design allows easy rotation of the unit providing access to all tubes without having to lean into the fume hood.

Removable reflux/inerting head

An innovative removable reflux/inerting head allows the removal of the head with the tubes in situ. This allows the reflux/inerting head to be easily transferred between the heated base, the stand or the cooling reservoir, providing the user with maximum flexibility.

Chemical-resistant fluoropolymer coating

The Carousel’s fluoropolymer coating offers heightened chemical resistance, minimises the effects of chemical attack and makes the surface easier to clean.

Insulating plate improves heating and energy efficiency

The 2-piece PTFE insulating plate sits over the Carousel’s heated base and acts as a barrier to heat loss for faster heating and energy savings of up to 36%.

Carousel 12 Plus Stand

The Carousel stand is designed to support the reflux/inerting head either with or without reaction tubes. The heavy duty metal stand is fluoropolymer coated for improved chemical resistance and ease of cleaning. The integral drip tray catches any dripping condensation from tubes and gives excellent stability. Use between reactions. Use when loading tubes. Use for reactions that require rapid air cooling.

Operate under an inert atmosphere

An integral radial gas distribution system in the Carousel 12 Plus reflux/inerting head combines with individual gas-tight Easy-On PTFE caps, which screw directly onto each reaction tube, to distribute inert gas to all 12 tubes. To purge the tubes simply connect the central gas inlet via flexible tubing to a two-way stopcock then, by alternating between vacuum and inert gas, the tubes are quickly purged of unwanted air. This easy to use inerting feature is ideal for reactions requiring an air or moisture-free environment.

Easy-On PTFE caps

The PTFE caps are an essential component of the Carousel 12 Plus system. Manufactured from a chemically-resistant PTFE the caps are attached to the reaction tube using a quick-thread and feature an Easy-On push connection to the radial gas system. The caps include an on/off valve for isolation and removal from the inert gas system. A replaceable silicone Suba-Seal septum allows the addition or removal of reagents or samples using a suitable syringe.

Durable glass reaction tubes

Manufactured from high quality, heavy-walled borosilicate glass, the tubes are precision engineered to maximise heat transfer from the heated base and cooled reflux head. This ensures that all tubes are heated and cooled at the same rate. Standard tubes have a reaction volume of 5 to 20 ml. Reduced volume tubes have a reaction volume of 1 to 5 ml.

Carousel 12 Plus Systems

Everything you need in convenient easy to order systems

• See “The Range” tab further up this page for full catalogue numbers and details
• For the range of glassware and accessories,
  click here

Easy-On PTFE Caps

The PTFE caps are an essential component of the Carousel 12 Plus. Manufactured from a chemically-resistant PTFE the caps are attached to the reflux tube/flask using a quick-thread and feature an Easy-On push connection to the radial gas system. The caps include an on/off valve for isolation and removal from the inert gas system. A replaceable silicone Suba-Seal septum allows the addition or removal of reagents or samples using a suitable syringe.
More info

Durable glass reaction tubes

Manufactured from high quality, heavy-walled borosilicate glass, the tubes are precision engineered to maximise heat transfer from the heated base and cooled reflux head. This ensures that all tubes are heated and cooled at the same rate. Standard tubes have a reaction volume of 5 to 20ml. Reduced volume tubes have a reaction volume of 1 to 5ml.
More info

FAQs

Do you offer a demo of the Carousel 12 Plus?

We are currently offering a 1-2-1 Carousel 12 Plus demo with an expert presented by video. Book your demo today.

How can I work with smaller volumes in my Carousel 12 Plus? What are reduced volume inserts?

The standard Carousel 12 Plus tubes (part numbers RR91080 for a pack of 6 or RR91081 for a pack of 12) are 150 mm long with a 24 mm diameter, and are suitable for 5 ml to 20 ml sample volumes. For 1 ml to 5 ml samples, we offer reduced volume tubes (part number RR91088 for a pack of 6). The lower part of these tubes tapers to 16 mm outer diameter.

What tubing do I need for my Carousel reflux/inerting head?

We offer the following tubing for connecting the white fittings (quick connects) on the Carousel reflux/inerting head to your water or gas/vacuum supply:

• RR99067: Tubing for Inert Gas or Reflux Cooling 2 Metres

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