CIC-300 ion chromatograph

Technical advantages:

• Integrated host, LCD screen display, touch button operation, full screen display of parameters, automatic parameter memory

High precision detection mode enables the instrument to have lower baseline noise and quickly stabilize the baseline

Adopting imported high-pressure double plunger parallel flow pump, it has a wide flow rate range, high pressure resistance, acid and alkali resistance, and 100% resistance to organic solvents

The gas-liquid separator with unique infrared photoelectric sensing technology has functions such as preventing false alarms and missed alarms

Fully automatic online gas removal technology eliminates the interference of dissolved gases in the mobile phase on analysis

• Equipped with both positive and negative ion systems, directly connected to the conductivity detector to improve detection accuracy

Column constant temperature system, with two built-in heating modes, can achieve rapid temperature rise and precise temperature control of the chromatographic column box

High capacity and diverse anion and cation chromatography columns can be used to analyze conventional anions and cations, disinfection by-products, organic acids, and other components

The advanced digital temperature control conductivity detector has high sensitivity, high stability, and ensures accurate and reliable detection results

• Chromatography software with anti control function, fully displayed in Chinese/English, with patented multi-channel data acquisition technology

• Built in aviation port, which can realize the operation of automatic sampler

Configure UPS stabilized power supply to ensure safe operation of the instrument

TECHNICAL INDEX

Ion chromatography pump

Type: High pressure double plunger series reciprocating flow pump

Maximum pump pressure: 42 MPa Flow range: 0.001-9.999 mL/min

Pressure fluctuation accuracy: ≤ 1.0% Flow accuracy: RSD<0.1%

Traffic repeatability: RSD ≤ 0.1%

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

Features: It has a chemically inert non-metallic undamped pump head, connected to a full PEEK pipeline, suitable for rinsing solutions with pH 0-14 and reverse phase organic solvents; Has high stability and repeatability.

Extension function: Equipped with automatic cleaning function for pump head dual plunger; Overpressure protection, with automatic leakage alarm function and self stopping pump for self-protection.

Constant temperature conductivity detector

Type: Five pole ring passivation electrode 316 stainless steel conductivity cell detection mode: digital signal control and display

Pool volume: ≤ 1.0 μ L Resolution: ≤ 0.0045 ns

Detection range: 0-30000 μ S/cm Output voltage: -5000~5000 mv

Baseline noise:<0.2 nS/cm Electronic noise:<0.1 nS/cm

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

Maximum operating pressure: 5.0 MPa (750 psi) Temperature compensation: 1.7%/℃

Signal output type: Digital processing signal based on CPU controlled reverse control workstation

Features: Directly connected to the suppressor, unique analog amplification technology, advanced shielding technology and precise temperature control design, which not only eliminates negative effects such as polarization and double-layer, but also improves the stability and accuracy of the conductivity signal.

Negative and cationic electrochemical suppressors

Noise:<0.2 nS/cm Regeneration method: Continuous automatic regeneration, no need for external acid

Inhibition type: Continuous automatic regeneration micro film electrolytic suppressor

Features: It has the characteristics of small dead volume, pressure and leakage resistance (pressure resistance of 5 MPa), continuous use (24-hour uninterrupted operation), high inhibition capacity (supporting 40 mM KOH leaching solution, effective inhibition capacity of 99.99%), fast baseline stability (stable within 15 minutes), wide adaptability (can use strong acid and alkali leaching solutions, pH 0-14), long service life, etc. The suppression current is adjustable from 0 to 150 mA, with an increment of 0.1 mA.

Analytical ability

Anion analysis: F^-、 Cl^-、 Br^-、 I^-、 NO₂^-、 PO₄^3-、 NO₃^-、 SO₄^2-、 ClO₂^-、 BrO₃^-、 ClO₃^-Analysis of anions and organic acids

Cation analysis: Li⁺、 Na⁺、 NH₄⁺、 K⁺、 Mg²⁺、 Ca²⁺、 Sr²⁺、 Ba²⁺Waiting for cations; Betaine, choline chloride; Organic amine analysis

Analysis reproducibility: ≤ 1.0% (based on SO)₄^2-、 Na⁺Linear range: ≥ 10³

Minimum detectable concentration: ≤ 5 × 10^-4Mg/L (as Cl)^-Calculation); ≤5×10^-3Mg/L (calculated as Na+)

Measurement accuracy: ≤ 3%

autosampler

Injection valve: electromagnetic six way valve, PEEK material, rotor sealed injection mode: suction type

Sample bottle number: ≥ 40 sample bottle capacity: 13mL

Linearity:>0.999 Repeatability: RSD<0.5% (full quantification loop)

Injection valve switch speed:<100 mS Position control accuracy:<0.1 mm

Communication method: LCD display screen controls injection needle cleaning method: inner and outer wall cleaning