JK-IC-300 Ion Chromatography

Technical Features

◆ Composite modular design, digital display

LCD 5.7-inch large LCD screen, full screen voltage, conductivity, pressure, scale, traffic and other operating parameters, real-time monitoring of the instrument, automatic memory parameter.

◆ multi-detector mode

Two-conductivity detector, while testing samples of anions and cations compounds;

UV - visible light detector to detect compounds with UV absorption;

Column derivatization system of a variety of transition metal ions, metal ions and CrO42-, halide ions such as oxygen compounds;

Amperometric detector, prone to redox reactions of ions, such as I-, CN-, S2-and so on.

◆ Control Mode

Implementation of software and LCD screen all the work of two mode setting device parameters. Built-in features to prevent misuse; powerful data recovery capabilities, in power, misuse of data could be saved under such circumstances;

◆ Dual suppression

Automatic regeneration membrane after inhibition and inhibition of CO2 combining dual-suppression mode, effectively reducing the background conductivity and sample matrix interference.

◆ built-in function column temperature

Precise control column by the work of the software box temperature.

◆ Automatic alarm

Built-in mobile phase flow pump over-voltage alarm warning of peace, security protection devices.

◆ solvent processing module (MPPM)

Powerful online mobile phase handling system, including gas-liquid separator, online degasser, eluent purifiers and other devices.

Key Indicators

1. Ion chromatography pump

Type: Germany imported dual-piston high-pressure pump series reciprocating advection

Pressure range: 0 ~ 42 Mpa Flow range: 0.001 ~ 9.999 mL / min

Pressure Display Accuracy: ≤ 0.1 Mpa flow accuracy (setting error): RSD ≤ 0.1%

Over-voltage and leakage protection: over voltage alarm and automatically stop the pump on their own self-protection; leak alarm and shutdown protection

2. Digital Temperature Detection System

2.1 Conductivity Detector

Structure: Five pole ring passivated 316 stainless steel conductivity cell detector mode: dual conductivity detection

Pool size: ≤ 0.8 μl output voltage: -5000 ~ 5000 mv adjustable

Detection range: 0 ~ 30000 us / cm (10 files optional) Resolution: ≤ 0.025 ns

Conductance pool temperature: 5 ~ 50 ℃ adjustable thermostat accuracy: ± 0.01 ℃

Baseline noise: ≤ 0.6% FS baseline drift: ≤ 2.0% FS

2.2 UV - visible light detector

Wavelength range: 190 ~ 740 nm light source: deuterium lamp

Wavelength accuracy: ± 1 nm spectral scanning: automatic scanning stopped-flow

Baseline noise: 2 × 10-5 AU (254 nm, room temperature) baseline drift:15 × 10^-5AU/h (254 nm, room temperature)

Minimum detectable concentration: 5 × 10-9 g / mL (254 nm, naphthalene standard, methanol mobile phase, room temperature)

Column derivatization - visible light photometric detection: Fe (Ⅲ) ≤ 1 ppb; BrO3-≤ 0.5 ppb; CrO42-≤ 1 ppb; Cr3 + ≤ 1 ppb

 2.3 Electrochemical detection

Electron Type: Central CPU controlled digital processing signal detection type: single or dual channel electrochemical detection

Signal range: DC amperometric detection method: 5 pA-100μA amperometric detection: 50 pC-200μC

Noise: DC amperometric detection: ≤ 1 pA amperometric detection: <10 pC

Potential range: -2000 mV to +2000 mV, an increase of 1.0 mv output voltage analog signal: 10,100,1000 mV

Working electrode: gold electrode, platinum electrode, silver electrode, glassy carbon electrode reference electrode: Ag / AgCl (saturated KCl) electrode

Pond Volume: <0.5 μL Maximum operating pressure: 1.0 MPa

Flow system

Plastic flow path: full PEEK material

Six-way valve: American Rheodyne six-way solenoid valve, pressure 7000psi. Signal the full realization of the acquisition of automation.

Analytical ability

   Series of high-capacity anion column using, PH can be adjusted in the 0-14 range, compatible with organic solvents, a sample can be analyzed simultaneously F-, Cl-, NO2-, PO43-, Br-, NO3-, SO42-, ClO2 -, BrO3-, ClO3-and other anions.

   Series of high-capacity cation by column, can meet betaine, Li +, Na +, NH4 +, K +, Mg2 +, Ca2 +, Sr2 +, Ba2 +, choline chloride and other cationic capillary.

   Different detectors can also complete a variety of transition metal ions, heavy metals and special ion detector.

Analysis of reproducibility: ≤ 1.0% (to SO42-, Na + dollars) Linear range: ≥ 103

Minimum detectable concentration: ≤ 0.1 ppb (in Cl-meter); ≤ 5 ppb (in Na + dollars)

Note: The above configuration as standard equipment for the model, the user can choose according to the actual needs of rationalization.