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Instrument Database:
Organomation Associates Inc. - N-EVAP Nitrogen Evaporators for Sample Concentration
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| Year of introduction |
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| Status |
available |
| Company |
Organomation Associates Inc.
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| Categories |
Sample preparation: Evaporators
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The instrument consists of a base and stand assembly, sample holder and gas distribution system. Test tubes are held in place by a spring-loaded sample holder and support tray. Each position is numbered. The gas at 5 to 10 psig passes through an adjustable flow meter to the distribution manifold. Flexible tubing leads to valve-tube assemblies at each position. Depending on the test-tube size and solvent volume they can be individually raised or lowered to the correct height. Needles or glass pipets blow gas onto the surface of the solution resulting in rapid evaporation of the solvent. All materials used are laboratory quality and can withstand contact with organic solvents. Acid resistant models are available for corrosive applications.
The round, stainless steel water bath is thermostatically controlled and will accurately maintain water temperature from 30° to 70° C. Optional dry baths filled with glass or aluminum beads will operate from 30° to 130° C. A high temperature limit switch is installed for safety. An electrical GFCI plug is optional. An intrinsically safe, purged case is also available as an option. The bath is UL/CUL approved for laboratory use.
N-EVAP Features:
- Five models available in 6, 12, 24, 36 and 45 positions.
- Compact size takes minimal hood space.
- Water bath provides gentle heat.
- Circular stand turns so each sample is accessible from the front.
- The larger models have a band spring hoist assembly for easy raising or lowering into the bash. Accommodates samples in test tubes 10 to 29 mm diameter. Volumes from 1 ml to 50 ml.
- A gas flow meter with valve, controls and indicates gas consumption.
- A needle valve adjusts gas flow at each position.
- Stainless steel 4 inches x 19-gauge needles standard.
- All metal parts are made of stainless steel, nickel chromed brass or anodized aluminum. Plastic parts are laboratory grade and will withstand contact with common organic solvents.
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