Nitrogen evaporators are used to prepare samples for analysis. Used in many industries, such as food, biotechnology, analytical chemistry, petroleum, and environmental sciences, nitrogen evaporators dry and concentrate samples so that tests like mass spectrometry, gas chromatography, and high-performance liquid chromatography (HPLC) can be performed on them. Samples are loaded into the nitrogen evaporator and then nitrogen blowdown is used, sometimes in conjunction with heat, to rid the sample of moisture. There are variations among nitrogen evaporators, including how many sample positions it contains, whether it uses wet or dry baths, if it needs hood space or not, and whether it provides heat as well as nitrogen blowdown to evaporate the samples.
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| Company | Organomation | Organomation | Organomation | Organomation | Organomation |
| Item | 80 position MULTIVAP® Dry Bath | 24 Position N-EVAP® Nitrogen Evaporator | 24 position Unheated MICROVAP® | Automatic 20 Position N-EVAP® Nitrogen Evaporator | Dual Microplate MULTIVAP® |
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| Reviews | | | | | |
| Catalog Number | 11880 | 11250 | 11824-0 | 11220 | 11802 |
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| Description | Ideal for batch processing, the 80 position MULTIVAP® uses a heated aluminum dry block to reach timed evaporative temperatures ranging from 30°C to 120°C. This method results in rapid solvent evaporation. The sample block inserts are customized for the user’s sample size for Ideal for batch processing, the 80 position MULTIVAP® uses a heated aluminum dry block to reach timed evaporative temperatures ranging from 30°C to 120°C. This method results in rapid solvent evaporation. The sample block inserts are customized for the user’s sample size for maximum and even heat transfer. Inserts can be customized for sample vial outside diameters of 10-22 mm.
Advantages
- Capacity: Evaporate batches of up to 80 samples, with outside diameters of up to 22 mm
- Precise: Digital controls allow precise temperature regulation
- Wide Temperature Range: The temperature is controlled up to 120°C to accomplish evaporation of solvents with higher boiling points
- Cost-Effective: Conserve gas by using ON/OFF valve for rows not in use
Optional features: 220 volt wiring, acid resistant coating and Pasteur pipette adapters in place of needles.... Read More | Its time-tested technology, proven construction, and user-friendly experience are what makes Organomation’s 24 position N-EVAP® its most popular instrument. This compact, robust unit offers double the capacity of the 12 position N-EVAP®, yet requires minimal bench space. The dual band spring hoist Its time-tested technology, proven construction, and user-friendly experience are what makes Organomation’s 24 position N-EVAP® its most popular instrument. This compact, robust unit offers double the capacity of the 12 position N-EVAP®, yet requires minimal bench space. The dual band spring hoist assembly provides a simple, effective means for removing samples from the heated water bath.
Advantages: - Flexible: A large sample holder option can be added to accommodate vials with a larger outside diameter in the range of 30 to 70 mm
- Gentle: N-EVAP nitrogen evaporators combine nitrogen blow down with a heated bath to gently concentrate delicate samples
- Individualized Control: Gas flow can be controlled at each sample position via needle valves
Dry bath and acid resistant models are also available.... Read More | Organomation’s unheated MICROVAP® evaporator product line is ideal for evaporating small batches of samples and microplates at ambient temperatures. These instruments are light and compact. A 15 and 24 position MICROVAP are available. Each instrument comes customized for one sample size. Please Organomation’s unheated MICROVAP® evaporator product line is ideal for evaporating small batches of samples and microplates at ambient temperatures. These instruments are light and compact. A 15 and 24 position MICROVAP are available. Each instrument comes customized for one sample size. Please specify test tube diameter sizes when placing order.
Advantages: - Compact design: The MICROVAP® product line has the smallest footprint of all of Organomation’s nitrogen evaporators
- Versatility: Quickly converts to a 15 position MICROVAP or single 96 well microplate evaporator using a dry block and gas manifold conversion kit.
... Read More | Organomation’s automatic 20 position N-EVAP® removes samples from the heating medium when the designated time cycle has been completed. The automatic concentration cycle reduces the likelihood of loss or damage to samples. A digital control system provides the operator with timed control of gas flowOrganomation’s automatic 20 position N-EVAP® removes samples from the heating medium when the designated time cycle has been completed. The automatic concentration cycle reduces the likelihood of loss or damage to samples. A digital control system provides the operator with timed control of gas flow and bath temperature.
Advantages: - Automation: Samples are raised out of the bath and the gas flow is shut-off after the timed endpoint has been reached
- Gentle: N-EVAP nitrogen evaporators combine nitrogen blow down with a heated bath to gently concentrate delicate samples
- Individualized Control: Gas flow can be controlled at each sample position via needle valves
Optional Features: 220 volt and acid resistant coating on instrument and needles.... Read More | This instrument is based on our dry block MULTIVAP product line and is customized to hold two 96 well microplates. The heating unit features the digital timer, precise temperature control, and built-in gas pressure gauge provided by our MULTIVAP line. |
| Method | heated aluminum dry block nitrogen blowdown | Heated, Nitrogen Blowdown | unheated/ambient nitrogen blowdown | Heated, Nitrogen Blowdown | Heated Nitrogen Blowdown |
| Number of Samples | 80 | 24 | 24 test tubes | 20 | Two 96 Well Plates |
| Flow Rate | 25 lpm | 8 lpm | 8 lpm | 8 lpm | 64 LPM |
| Dimensions | (WxDxH) 16 x 14 x 22 in | (WxDxH) 16 x 15 x 33 in | (WxDxH) 8.5 x 13.0 x 14.5 in | (WxDxH) 19 x 18 x 36 in. | (WxDxH) 16 x 14 x 22 in |
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