Thermo Dionex Aquion Ion Chromatography System, Thermo Fisher Scientific (CAT#: STEM-CPO-1000-ZJF)

The manufacturer of the Thermo Dionex Aquion Ion Chromatography System is Thermo Fisher Scientific.
Perform reliable, basic anion and cation analyses with the Thermo Scientific Dionex Aquion ion chromatography system. This simple, compact ion chromatography (IC) instrument, commonly used for water analysis, is designed for ease of use and straightforward operation for budget-limited labs. It supports electrolytic suppression and includes a vacuum degasser for inline degassing of eluents. It also offers fast start-up times and reliable, stable performance for demanding applications in environmental, food safety, and academic laboratories.
The system is highly customizable with a range of column options, flow rates, and pressure settings to meet the needs of various applications. It also features intuitive software for data acquisition and analysis, and is built with robust hardware for reliable performance.

Condition: Pre-owned
Analytical pump and fluidics:
Type: Serial dual-reciprocating pistons, microprocessor-controlled constant stroke, variable speed
Construction: Chemically inert, metal-free PEEK pump heads and flow paths compatible with aqueous eluents of pH 0–14 and reversed-phase solvents
Pump operating pressure: 0–35 MPa (0–5000 psi)
Flow rate range: 0.00–5.00 mL/min without changing pump heads
Flow precision: <0.1%, typically
Flow accuracy: <0.1%, typically
Pressure ripple: <1% at 13.8 MPa (2000 psi) and 1.0 mL/min
Eluent on-off valve: Standard
Piston seal wash: Dual-pump head, wash can be continuous when connected to rinse solution supply
Pressure alarm limits: Upper limit 0–35 MPa or 0–5000 psi in one unit (MPa or psi) increments; lower limit can be set up to one unit lower than upper limit
Vacuum degas: Yes, optional, automatic control
Eluent bottles: Polypropylene, up to 4L volume
Eluent bottle pressure: Not required
Columns supported: 2, 3, 4, and 5 mm i.d.; maximum length 250 mm analytical column with 50 mm guard column
Injection valve:
Type: 6-port, 2 position Rheodyne valve, electrically actuated
Column heater (optional):
Operating temperature range: 30 to 60 °C (86 to 140 °F); minimum 5 °C above ambient; settable range is equal to working range
Temperature accuracy: ±0.5 °C at sensor, at 40 °C
Suppressors and control:
Chemical suppression: 2 mm and 4 mm anion and cation, membrane suppression bed types
Displacement chemical suppression: 2 mm and 4 mm anion and cation, membrane suppression bed types
Electrolytic suppression: 2 mm and 4 mm anion and cation, membrane suppression bed types available
Electrolytic suppression with external water mode: 2 mm and 4 mm anion and cation, membrane suppression bed types available
Current control range: Thermo Scientific Dionex ERS 500 Electrolytically Regenerated Suppressor: 4 mm, 0–500 mA in 1 mA increments 2 mm, 0–150 mA in 1 mA increments
Thermo Scientific Dionex ERD 500 Electrolytically Regenerated Desalter: 0–500 mA (4 mm) and 0–150 mA (2 mm) in 1 mA increments
Thermo Scientific Dionex SRN Self-Regenerating Neutralizer: 0–500 mA in 1 mA increment
Salt converter: Available in 2 and 4 mm versions
Carbonic acid removal for anions: Dionex AERS 500 suppressor with Thermo Scientific Dionex CRD 200 Carbonate Removal Device for hydroxide eluents Dionex AERS 500 suppressor with Dionex CRD 300 device for carbonate eluents
Non-suppressed chromatography: Yes, supported
Suppressor wear parts: None; peristaltic pump and inline filters not required
Conductivity detector electronics and flow cell:
Type: Microprocessor-controlled digital signal processor
Cell drive: 8 kHz square wave
Detector linearity: 1% up to 1 mS
Maximum cell pressure: 10 MPa (1500 psi)
Resolution: 0.00238 nS/cm
Full-scale output ranges: Digital signal range 0–15000 μS/cm
Analog signal range 0–15000 μS/cm
Electronic noise: ±0.1 nS when background conductivity is 0–150 µS/cm
±2 nS when background conductivity is 151–3200 μS/cm
Filter: Rise times from 0 to 10 s, user selectable
Temperature compensation: Fixed at 1.7% per 1 °C at cell temperature
Temperature range: Ambient +7 °C, 30 to 55 °C
Cell electrodes: Passivated 316 stainless steel; compatible with MSA
Cell body: Chemically inert polymeric material
Cell volume: <1 µL
Heat exchanger: Inert, tortuous path for low axial dispersion
Autosampler:
Automation using autosampler: For more information about available autosamplers, visit the IC Autosamplers page
System software:
Chromeleon CDS, requires Microsoft® Windows® 10
Physical specifications:
Dimensions (h × w × d): 56.1 cm × 22.4 cm × 53.3 cm (22.1 in × 8.8 in × 21 in)
Weight: 24.5 kg (54 lb)
Power requirements: 100 to 240 V AC, 50 to 60 Hz, autoranging
Operating temperature: 4–40 °C (40–104 °F); cold-room-compatible (4 °C) as long as system power remains on
Operating humidity range: 5–95% relative, noncondensing
Control modes: Full control through Chromeleon CDS software; alternative control through TTL or relay closures; two relay outputs, two TTL outputs, four programmable inputs
USB communication protocol: One USB input; one built-in two-output USB hub
Leak detection: Built-in, optical sensor

Refurbished to meet manufacturer's specification
In excellent condition
Thoroughly cleaned
Certified with warranty

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