1Purpose:

Anion detection in the sample:F^-、Cl^-、NO₂^-、PO₄^3-、Br^-、NO₃^-、SO₄^2-、BrO₃^-、ClO₃^-、ClO₂^-Wait for anion analysis.

2Technological advantages

*2.1Split type building block structure mode

The separate mode of the sampler and the whole machine has good anti-interference and scalability. And UV can be added/Visible light detector or electrochemical detector orPHThe conductivity module meets the requirements of unconventional sample analysis, allowing for simultaneous analysis of multiple data points and achieving multi functionality on one machine.

2.2High sensitivity circuit

The whole machine adopts industrial grade electrical components and advanced shielding technology, which improves the detection sensitivity and stability of the instrument, and can meet the diversified detection needs of users.

*2.3Automatic signal acquisition system

The injection valve is linked with the host circuit to automatically recognize signals when the valve switches positions, activate software analysis functions, and avoid errors caused by manual operation.

2.4High resolution touch screen

Touch display, equipped withWinCEOperating system, full screen display of instrument working status parameter information, real-time monitoring of instruments, touch operation or mouse typing operation, and prompt menus make complex operations simple and easy to understand, flexible, convenient, and intuitive.

*2.5Flow activation system

When the whole machine is in a shutdown state for a certain period of time, it automatically starts the flow path to flush various system components regularly, avoiding pipeline crystallization and achieving maintenance purposes.

*2.6Intelligent constant temperature system

Maintain a constant temperature for the separation column during detection and analysis to achieve good separation results; Automatically start heating up to the ideal temperature suitable for storing the separation column under low temperature conditions (including shutdown conditions), extending the service life of the separation column.

3Technical parameters

3.1Constant temperature conductivity detector

3.1.1Five pole conductivity cell: circular passivation316Stainless steel electrode;

3.1.2Pool volume ≤0.9μL；

3.1.3Resolution ≤0.0020ns；

3.1.4Temperature control range:+5℃~60℃, temperature control accuracy: ±0.01℃, temperature compensation:1.7%/℃；

3.1.5Detection range:0~30000μs/cm(10Optional files)Output voltage-5000~5000mv；

3.1.6Baseline noise: not greater than0.5%FSThe baseline drift is not greater than0.5%FS；

3.2Ion chromatography pump

High pressure dual plunger reciprocating flow pump, equipped with buffer and pressure sensor, providing * * stability repeatability and intelligent pressure protection function. The chemically inert and undamped pump head has high pressure resistance, allowing the pump to operate normally under high pressure.

3.2.1Voltage endurance range:0-42Mpa

3.2.2Flow range:0.001-9.999ml/min

3.2.3Traffic accuracy:RSD<0.1%

3.2.4Traffic repeatability:RSD<0.1%

3.2.5Pressure accuracy: display accuracy0.1Mpa

3.2.6Overvoltage protection,When the working pressure exceeds or falls below the set upper or lower limit, the pump will sound an alarm and automatically shut down

3.3Flow system

3.3.1Imported connectors and flow paths are usedPeekThe material has good universality and can use strong acid and strong alkali mobile phases. It is 100% compatible with organic solvents, making it convenient for users to analyze complex samples. The separation column and suitable eluent can be replaced at will. Improve the system's pressure resistance and eliminate potential leakage hazards in the flow path.

3.4Imported high-pressure six way valve, resistant to high pressure, leak proof, flexible and lightweight sample switching, resistant to strong acid and alkali corrosion.

3.5Ion chromatography column

Imported anion column, meeting the requirements forF^-、Cl^-、NO₂^-、PO₄^3-、Br^-、NO₃^-、SO₄^2-、BrO₃^-、ClO₃^-、ClO₂-Wait for anion analysis.

3.6World advanced suppression technology

Continuous automatic regeneration electrochemical suppressor, high suppression capacity, automatic online regeneration, long lifespan, simple operation, fast balance, good repeatability, no need to use any consumables.

*3.7Testing technical parameters

3.7.1Separation ability

Simultaneous detection and analysis with a single injectionF^-、Cl^-、NO₂^-、PO₄^3-、Br^-、NO₃^-、SO₄^2-、BrO₃^-、ClO₃^-、ClO₂^-Waiting for anion analysis

*3.7.2*Small detection limitCl^-≤0.0001ppm、NO₃^--≤0.005ppm、BrO₃^-≤0.005ppm(With)CMCThe original certificate shall prevail

*3.7.3Analyze reproducibility (accuracy)

Retention time repeatability is better than1%Peak area repeatability is better than1.0%(useSO₄^2-、Na+count)(With)CMCThe original certificate shall prevail

3.8Linear range:10³

3.9data processing system

strike/English display, equipped with electronic operation demonstration video, convenient for users to master and familiarize themselves with;

supportwindows98/2000/xp/win7Waiting for the operating system, it can be accessed throughUSBperhapsCOMTransmitting digital signals;

It has two modes of single and dual channel workstations, which can simultaneously complete the collection and processing of cation and anion data;

Simple operation, intuitive and easy to understand, intelligent processing of spectral data, display of spectra, retention time, quantitative calculation of peak height, peak area, concentration, production of calibration curves, printing of spectral data, etc;

Automatic saving of spectral data, providing functions such as data viewing, batch printing, result summary, and operation management;

Equipped with high-performance equipment24A digital to analog conversion device that provides high-resolution and high-sensitivity detection;

4, Service

Training: User on-site training, free training2-3Users are able to independently operate, maintain, and care for instruments.

Warranty period: Provide no less than12Monthly warranty service and annual door-to-door inspection service.

Learning Class: Provide users with free Qingdao training chromatography learning classes.

IC-8618Type ion chromatograph configuration