Nitrogen Evaporator 6 Position

The 6 position N-EVAP’s ability to expand the sample size range with an optional large sample holder makes it an ideal instrument for laboratories that will be evaporating up to 6 samples at once and are using a wide range of sample flask outside diameters. The standard instrument fits samples with an outside diameter of 10-30 mm, and the optional large sample holder can accommodate samples with an outside diameter of 30-56 mm.

The 6 position N-EVAP nitrogen evaporator (cat# 11106) was adapted from the 12 position N-EVAP (cat# 11155) in the early 1970s. Since its inception, it has proven to be durable, reliable, and the most affordable member of Organomation’s N-EVAP line. These economical units provide controlled concentration of sample vials through the application of nitrogen gas within a heated water bath. The N-EVAP’s circular rotating design permits each sample to be accessible from the front of the instrument for easy insertion and retrieval. The chrome plated needle valves are individually milled from solid brass, and allow precise adjustment of the gas flow rate at each sample position. This promotes efficient and safe sample reduction with minimal nitrogen waste. The stainless steel construction of the bath ensures that the instrument is long lasting.

Advantages:
Small Footprint: N-EVAP Model# 111 has the smallest footprint of all the N-EVAPs
Flexible:  A large sample holder option can be added to accommodate vials with a larger outside diameter in the range of 30-56 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


6 Position N-EVAP Models:

Catalog Number
Bath Type
11106
Water Bath
11106-DA
Dry Bath
11106-O
No Bath*

Standard Features:
Nitrogen filter
Adjustable flow meter, 0-10 lpm
High pressure phthalate free tubing for safety, Teflon tubing for no contamination
High temperature limit switch for safety
Dual band spring hoist assembly (except in dry bath model)
Precision needle valve tube assembly
Needles, 4 inch x 19 gauge with chrome plated brass hub and stainless steel shaft

Optional Features:
220v wiring harness (Option Code# -2)
Z-Purge/intrinsically safe purge case (Option Code# -Z)
Acid resistant coating on instrument and needles (Option Code# -RT)

SPECIFICATION:

Instrument Type
6 position N-EVAP
6 position N-EVAP
6 position N-EVAP
Bath Type
Water
Dry
None
Instrument Catalog Number
11106
11106-DA
11106-O
Number of Sample Positions
6
6
6
Overall Dimensions
13 x 11 x 31 in
13 x 11 x 27.5 in
12 x 8 x 31 in
w x d x h
33 x 28 x 79 cm
33 x 28 x 70 cm
31 x 21 x 79 cm
Sample Holder and
Circular
Circular
Circular
Gas Manifold Layout
Single Ring
Single Ring
Single Ring
Standard Sample Holder
10-30 mm
10-30 mm
10-30 mm
Test Tube Range
Optional Sample Holder
30-56 mm
30-56 mm
30-56 mm
Test Tube Range
Gas Flow Meter
0-10 lpm
0-10 lpm
0-10 lpm
Liters/Minute
Stainless Steel Needles
 4.0 in x 19 ga
 4.0 in x 19 ga
 4.0 in x 19 ga
Length & Gauge
102 mm x 19 ga
102 mm x 19 ga
102 mm x 19 ga
Sample Tray Lift Mechanism
Dual Band Spring Hoist Assembly
None/Fixed
Dual Band Spring Hoist Assembly
Rotating, Leak Tight Gas Fitting
Standard
n/a
Standard
Gas Pressure Reducing Regulator
Optional
Optional
Optional
Input Range
30-160 psig
30-160 psig
30-160 psig
Output Range
0-30 psig
0-30 psig
0-30 psig
Acid Resistant Coating (cat#-RT)
Optional
Optional
Optional
Heating Device Specifications
Model Number
5085

n/a
Heating Medium
Water
Aluminum Beads (Glass Beads in -RT Models)
None
Inside Dimensions
 8.5 x 4.5 in
 8.5 x 4.5 in
n/a
Diameter x Depth
21.6 x 11.4 cm
21.6 x 11.4 cm
Outside Dimensions
13 x 11 x 7 in
13 x 11 x 7 in
n/a
w x d x h
33 x 28 x 18 cm
33 x 28 x 18 cm
Heaters Total Watts
500 W
500 W
n/a
Bath Temperature Range
30-90 °C
40-130 °C
n/a
Temperature Controller Type
Mechanical
Mechanical
n/a
and
Thermostat
Thermostat
Accuracy
+/- 2 °C
+/- 2 °C

APPLICATION:
Highlighted Application:
EPA Method 539: Determination Of Hormones In Drinking Water By Solid Phase Extraction (SPE) And Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS)
In this method, hormones are extracted from finished drinking water by a solid phase extraction method.  After the extracted analyte is eluted from the SPE disk, the extract is concentrated to dryness in an N-EVAP.  The water bath is set to 45ÂșC and a gentle stream of nitrogen is applied to each sample.  The N-EVAP allows for precise control of nitrogen flow at each sample position, which helps prevent damage to delicate samples.
 
Other N-EVAP Applications:
• EPA Method 415.3
• EPA Method 548.1
• EPA Method 523.1
N-EVAP instruments are valuable to sample preparation for research and testing with applications in fields such as:
Environment
Agriculture
Food and Beverage
Medicine
Quality Assurance
Forensic Science
Government
Academia
Oil and Grease

Accessories:
Large vessel sample holder, for vial outside diameters of 30-56 mm (cat# NA1113)
Nitrogen generator (cat# NA1950)
Pasteur pipette adapters (cat# NA0636)
Pressure reducing regulator 0-160 psi (cat# NA0630)
High temperature silicone fluid (cat# NA1240)
Various needle sizes and gauges

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