Which is a good domestic second-hand original ion chromatograph

Technical Specifications

Ion chromatography pump:

Type: High pressure double plunger series reciprocating flow pump.

Pressure: 40-42MPa.

Flow range: 0.001~9.999mL/min (increasing by 0.01).

Traffic accuracy: RSD<0.1%. <>

Flow repeatability: RSD ≤ 0.2%.

Constant temperature conductivity detector:

Type: Five pole ring passivation electrode 316 stainless steel conductivity cell.

Pool volume: ≤ 1.0 μ L.

Resolution: ≤ 0.005ns.

Signal output range: 0~30000 μ S/cm (10 levels optional).

Output voltage: -5000~5000mV.

Baseline noise: ≤ 1.0% FS.

Baseline drift: ≤± 2.0% FS.

Temperature control range: room temperature+5 ℃ to 60 ℃.

Temperature control accuracy: ± 0.01 ℃.

Other parameters:

Six way valve: FLOM series six way valve made of PEEK material, with a pressure resistance of 5000psi.

Chromatographic analysis software: Excellent Chinese/English version HW-2000 chromatographic workstation.

Product Features

Integrated design, the host is equipped with a 5.7-inch large screen LCD display, which can monitor and set all parameters in real time.

Full PEEK flow system, avoiding metal ion pollution, high pressure resistance, strong acid and alkali resistance, and compatible with organic solvents.

By adopting excellent analog amplification and shielding techniques, the stability and accuracy of the conductivity signal have been improved.

Application field

Widely used in water quality monitoring in fields such as environmental protection, chemical engineering, and education, it can detect various anions and cations.

The following are the core parameter specifications of Qingdao Shenghan CIC-100 ion chromatograph, compiled from comprehensive publicly available technical data:

System core parameters

High pressure pump

Type: Double plunger series reciprocating flow pump, full PEEK flow path (resistant to strong acids, alkalis, and organic solvents)

Pressure: 42 MPa (6000 psi)

Flow rate range: 0.001-9.999 mL/min (step size 0.01 mL/min)

Flow accuracy: RSD<0.1%

Conductivity detector

Detection cell: Five pole circular passivated 316L stainless steel electrode shielded conductivity cell

Pool volume: ≤ 1.0 μ L

Resolution: ≤ 0.002 ns/cm (high-precision mode); ≤ 0.005 ns/cm (normal mode)

Range: 0-35000 µ S/cm (10 levels optional)

Constant temperature range: room temperature+5 ℃ to 60 ℃, temperature control accuracy ± 0.01 ℃

Suppression system

Type: Continuous automatic regeneration biofilm electrolysis suppressor (compatible with anions/cations)

Suppression current: adjustable from 0 to 150 mA (step 0.1 mA)

Features: No external acid regeneration, pressure and dry cracking resistance, compatible with pH 0-14 washing solution

Chromatographic column and protective column

Analysis column: High capacity anion/cation chromatography column (requires manufacturer to provide packing technology certification)

Protection column: 1 anion/cation protection column each

Performance indicators

Detection limit: ≤ 1 µ g/L (calculated as Cl ⁻)

Quantitative reproducibility: RSD ≤ 1.0% (calculated as SO ₄㎡⁻)

Linear range: ≥ 10 ³

Separation ability: Separate 10 anions including F ⁻, Cl ⁻, NO ₂ ⁻, Br ⁻, NO ∝⁻, PO ₄³ ⁻, SO ₄² ⁻ within 16 minutes

Application configuration

Flow system: Full PEEK material flow path, resistant to high pressure and corrosion

Injection system: Six way injection valve (supports manual injection)

Auxiliary equipment:

Vacuum degassing pump (rinsing solution degassing)

Sand core filtration device (solvent pretreatment)

Workstation: Full Chinese control software, supporting dual channel data acquisition and automatic peak recognition

Operating environment requirements

Power supply: 220-250 V AC

Gas source: The rinsing solution needs to be degassed (equipped with a vacuum degassing pump)

Temperature: Operating environment 5-40 ℃, constant temperature conductivity detector needs to maintain stable temperature control

Remarks

The constant temperature conductivity detector adopts analog amplification and shielding technology to eliminate signal interference;

Suppressors and chromatography columns require manufacturers to provide technical certification documents.