The ion chromatographic technology is based on the principle of ion exchange and use thin housing ion chromatographic column to quickly separate various ions. And then, in self-regenerative suppressor, which is at the back of separating column, series connection is used to dissolve strong electrolyte in rinse water in order to deduct its background conductance. And then use conductance detector to continuously detect conductance value of output fluid and we can get chromatographic peak value of various ion. This accomplishes the aim of separating, analyzing qualitatively and quantitatively at one time.

DW-CIC-D100 model ion chromatographic meter have the analytic model of suppress conductance detecting anion. We can use different types of chromatographic column to analyze various anions. We can detect not only such conventional anion as F-, CI-, NO2-, PO43-, Br-, NO3-, SO42-, but also CIO2-, CIO3-, BrO3-, etc.

At present, HPIC analytic technology has been applied to various fields such as environmental monitoring, sanitation and epidemic prevention, medicines, chemical metallurgy, geology, hydrology, agriculture, forage, electronics industry, electric power, atomic energy, food and drinks, drinking water, scientific research, education,

TECHNOLOGY INDEX

Ion Chromatographic Pump

Pressure range: 0~35 MPa

Volume of flow range: 0.001~9.999 mL/min

Pressure Display accuracy: ≤0.1 Mpa

Volume of flow accuracy (setting error): RSD≤0.1%

Over pressure and leak protection: It will give an alarm and stop working in these situation.

Digital Temperature-control detection system

1. Conductivity Detector

Structure: Bipolar Conductivity Detector

Detection Mode: Double conductivity detection

Conductance cell size: ≤0.8μl

Output voltage: -5000~5000 mV (to regulate)

Measure range: 0~100000 μS/cm (10 level to choose)

Resolution : ≤0.0020 ns

Conductance cell temperature: 5~60℃(to regulate)

Constant temperature accuracy: ±0.01℃

Baseline noise: ≤0.1%FS

Baseline drift: ≤0.3%FS

2,Flow System

The whole plastic pipeline: made of PEEK materials

Six-way valve: Rheodyne electromagnetic six-way valve made in America, compression resistance of 7000 psi. Collect signals automatically.

3,Built-in low-pressure degassing device

Degree of vacuum: -70kPa

Inner volume: 300ul

Organic tolerance: 100%

Maximum flow rate: 10 mL / min

Degassing efficiency: degassed at 1.0mL 90%

Degassing volume: 7.5 mL

4,Built-in eluent generator

Type of eluent: KOH / NaOH

Eluent concentration range: 0.1-100mM / L

Concentration increment: 0.1 mM

Flow rate range: 0.1-3.0ml / min

Maximum operating pressure: 20MPa

Minimum operating pressure: 5MPa

5,Analytic Capability

For high capacity anion column, pH 0~14, compatible organic solvent, etc. can be analyzed at the same time with one injection.

For high capacity cation column, lycine, ,Choline chloride can be separated and analyzed.

Different types of detectors can detect several transition metallic ions, heavy metallic ions and special ions.

qualitative repeatability: ≤0.5% (Cl^–, Na⁺  )

quantitative repeatability: ≤1.0% (Cl^–, Na⁺)

Linear range: ≥103

Minimum concentration of detection: Cl^–≤0.0005 ug/ml,BrO₃^–≤0.001 ug/ml,Li⁺≤0.001 ug/ml