1, the scope of application:
Widely used in water, environmental monitoring, health and epidemic prevention, quality inspection, petrochemical, geological exploration, pharmaceutical production inspection and other fields.
2, the instrument work environment:
Voltage: AC220V ± 10% 50HZ
Temperature: 10 ~ 30 ℃
Humidity: 25 ~ 85%
3, performance indicators:
(1) Inorganic Anion Detection Type: F-, Cl-, NO2-, PO43-, Br-, SO42-, NO3-, ClO2-, BrO3-, ClO3-
Inorganic cation detection types: Li +, Na +, NH4 +, K +, Ca2 +, Mg2 +, Sr2 +, Ba2 +
(2) has a built-in pool pillar integrated thermostat system (patent number: 200820019630.3), temperature range of 5-65 ℃.
(3) instrument operating system by the mouse a key to complete, with automatic selection range, automatically zero, set the current and other functions.
(4) instrument large screen program, with a small workstation, display the spectrum processing data, save the spectrum data.
(5) to achieve double conductivity detector, double injection valve, double high pressure advection pump, dual-channel workstations, thermostat systems and other components integration, to achieve simultaneous detection of yin and yang. (To provide dual-channel test certificate)
(6) Autosampler through a dedicated interface and ion chromatography connected to the host, automatic injection, no manual duty, save time, effort and efficiency.
4, conductivity detector:
(1) five-pole conductivity cell: electrode using ring passivation 316 stainless steel electrode, pool volume: <0.8ul, effectively overcome the phenomenon of electrode polarization. With low noise, high detection sensitivity characteristics. With electronic temperature and temperature compensation device, constant temperature accuracy 5-65 ℃, temperature compensation (1.7% -2.0%) / ℃
(2) Conductivity detection range: 0-35000uS, adjustable, with manual and automatic selection function.
(3) full range detection resolution: not less than 1/40000 (≤ 0.0025ns / cm)
(4) Output voltage: -6000mv ~ + 6000mv Automatic zero range: -6000mv ~ + 6000mv
(5) Suppressor constant current source current: 0-150mA, incremental 1mA, set by the user on the screen.
5, high pressure advection pump:
The machine is a microprocessor-controlled dual-piston reciprocating pump, the use of advanced intelligent control algorithm, can make the pump flow pulsation to a minimum level.
(1) pressure test: ≥ 36MPa (JJG823-2014 "ion chromatograph measurement test procedures" shall prevail, and provide according to this procedure issued by the type of evaluation report, measuring instrument type approval certificate and measurement equipment license)
(2) Flow range: 0.001ml / min ~ 9.999ml / min
(5) pressure sensor: pressure display accuracy of 0.1MPa
(6) Overvoltage protection: When the working pressure exceeds or falls below the set upper or lower limit, the pump will shut down and alarm.
6, the flow system:
The flow system uses PEEK material (imported parts), good versatility, can use strong acid, alkali eluent, and can be 100% compatible with organic solvents, user-friendly analysis of complex samples, washing and maintenance. The user can replace the column and eluent. To avoid the pain of the flow of the pain, so that users no worries.
Continuous automatic regenerative electrochemical microfilm suppressor, on-line automatic regeneration, high suppression capacity, low background conductance, low noise, baseline stability, maintenance-free. Anti-pollution, good pressure, long life, the use of a wide range (PH0-14). Small size, stable time, stable time is not greater than 12 minutes, and good reproducibility.
8, chromatography workstation:
24-bit high-precision high-sensitivity digital-to-analog conversion. Dedicated ion chromatography workstation, through high-performance USB way with the computer for digital signal transmission, complete the cation and cation data acquisition and processing. Can achieve the instrument anti-control operation, through the computer online set the instrument operating parameters, man-machine dialogue. Automatically receive analysis and control to save instrument chromatographic conditions. Automatic recognition of negative peak, baseline subtraction function. Automatic integration of parameters, automatically generate reports. Automatically detect the instrument running status, the operation of the fault alarm and the instrument to provide protection measures.
9, test technical indicators: (JJG823-2014 "ion chromatograph measurement test procedures" shall prevail, and provide according to the procedures issued by the type of evaluation report, measuring instrument type approval certificate and measurement equipment license)
Anions: Simultaneous detection of F-, Cl-, NO2-, PO43-, Br-, SO42-, NO3-, ClO2-, BrO3-, ClO3-
Cationic: simultaneous detection of Li +, Na +, NH4 +, K +, Ca2 +, Mg2 +, Sr2 +, Ba2 +
9.1 Lower detection limit:
9.1.1 Cl-≤0.005μg / mL (injection volume 25μL, eluent carbonate system)
9.1.2 BrO3-≤0.005μg / mL (injection volume 25μL, eluent carbonate system)
9.1.3 Li + ≤ 0.005 μg / mL (injection volume 25 μL)
9.2 Linear correlation coefficient ≥0.999
9.3 Linear range: ≥103 (in Cl-)
9.4 Baseline noise: ≤0.5% FS
9.5 Baseline drift: ≤1.5% FS
9.6 Temperature stability of the column oven: ≤0.1 ℃ / h
9.7 Qualitative repeatability ≤0.5%
9.8 Quantitative repeatability ≤1.5%
Shall provide proof of the appearance of the autosampler, the lifting device, the needle clamp, the syringe carriage, and the base turntable.
Using the electric injection valve full tube injection method, can directly trace sample injection and rapid analysis, can effectively solve the sample residue, injection rate and sample reproducibility and other issues.
Standard sample number: not less than 100
Vial volume: ≥ 10ml, the number of 100 only
Injection volume tube volume: 0.1uL-1000uL (full tube injection method)
Injection volume (sample volume) Reproducibility: 0.01% RSD (injection volume 5uL-1000uL)
Cross contamination: CV <0.001%
11. The voltammetry (amperes) detector (based on the JJG823-2014 "Ion Chromatograph Metrological Verification Regulation" and provide the type evaluation report, the instrument type approval certificate and the measuring instrument license issued by this procedure)
There are four detection methods, namely, DC amps, pulse amps, integral amps, differential pulse voltammetry.
The use of flow way or flow injection method, matching the appropriate working electrode, you can complete the above four methods of measurement. Applicable to bromine, iodine, sulfur, cyanide and other anions, lead, copper, zinc, cadmium and other cationic and organic matter detection.
Lower detection limit:
CN-≤0.001 [mu] g / mL (injection volume 25 [mu] L)
I-≤0.003μg / mL (injection volume 25μL)
Cd2 + ≤ 0.0001 μg / mL (injection volume 25 μL)
Note: As the technology continues to update, performance indicators will be improved, the site indicators for reference only.