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 | 45 position N-EVAP® Nitrogen Evaporator | 24 position Unheated MICROVAP® | 30 position MULTIVAP® Dry Bath | Dual Microplate MULTIVAP® | Triple position MICROVAP® |
| Catalog Number | 11645 | 11824-0 | 11830 | 11802 | 11803 |
| Price | | | | | |
| Description | Organomation’s 45 position N-EVAP® nitrogen evaporator offers the largest number of sample positions in its N-EVAP line. The sample holder has dual circular rings. The outer ring has 30 positions and can accommodate samples with an outside diameter of 10-19 mm. The inner ring has 15 positions and Organomation’s 45 position N-EVAP® nitrogen evaporator offers the largest number of sample positions in its N-EVAP line. The sample holder has dual circular rings. The outer ring has 30 positions and can accommodate samples with an outside diameter of 10-19 mm. The inner ring has 15 positions and can accommodate samples with an outside diameter of 10-30 mm.
This time-tested, durable system provides the least expensive price per position of all our N-EVAPs. The evaporative system, along with the standard flow control and pressure reducing regulator, enables the operator to achieve the desired level of concentration with efficient nitrogen usage. The unique dual band spring hoist assembly ensures easy and effective operator use.
This instrument includes a side control box. Timed, digitally controlled water bath temperatures provide even evaporation rates. The pressure regulator and timer combine to allow timed automatic gas flow cut off which slows evaporation to a minimum once the timed cycle has been completed. The heat can also be shut off with the gas after a timed cycle.... 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 | Ideal for batch processing, the 30 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 Ideal for batch processing, the 30 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 10-30 mm.
Advantages: - Capacity: Evaporate batches of up to 30 samples, with outside diameters of up to 30 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, needle guide plate for small tubes 15mm and under, Pasteur pipette adapters in place of 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. | The triple position MICROVAP® microplate evaporator combines three 96 needle manifolds and three heat blocks into a single platform. The solid aluminum heating units provide consistent temperature for uniform evaporation rates throughout all three plates.
Each 96 needle manifold is equipped with The triple position MICROVAP® microplate evaporator combines three 96 needle manifolds and three heat blocks into a single platform. The solid aluminum heating units provide consistent temperature for uniform evaporation rates throughout all three plates.
Each 96 needle manifold is equipped with its own toggle switch to shut down gas flow when all three microplates are not in use to conserve nitrogen gas, saving laboratories money.
Advantages: - High throughput: Evaporate up to three 96 well plates at once
- Ease of use: Temperature and gas levels are easily set using the digital temperature controller and gas flow meter
- Flexibility: Toggle switches allow gas flow to be turned on and off at each plate
... Read More |
| Method | Heated, unheated, Nitrogen Blowdown | unheated/ambient nitrogen blowdown | heated aluminum dry block | Heated Nitrogen Blowdown | Heated |
| Number of Samples | 45 | 24 test tubes | 30 | Two 96 Well Plates | (3) Microwell plates |
| Flow Rate | 15 lpm | 8 lpm | 10 lpm | 64 LPM | 96 lpm |
| Dimensions | (WxDxH) 24 x 19 x 34 in | (WxDxH) 8.5 x 13.0 x 14.5 in | (WxDxH) 16 x 14 x 22 in | (WxDxH) 16 x 14 x 22 in | (WxDxH) 24 x 9.5 x 14.5 in |
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