PIC-8 Ion Chromatography Building Block Structure
Item:
Negative ion: F-, SiO32-, CIO2-, BrO3-, CI-, NO2-, SeO3-, Br-, CIO3-, NO3-, HPO42-, SO32-, SO42-, TeO42-, SeO42-, AsO43-, I-, S2-, CN-, MoO42-, WO42-, CrO42-, lactic acid, formic acid, Methanesulfonate, PTSA, Sulfonic acid methyl acrylamide, acetic acid, Propionate, Glycolic Acid, pyruvic acid, valeric acid, A Chloroacetate, tartaric acid, malic acid, Oxalate, Benzoic Acid, Sorbic acid and Glyphosate, etc.
Positive ion: Li+, Na+, NH4+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr+, Ba2+, Ni2+, Cu2+, Pb2+, Zn2+, Fe2+, Mn2+, Cd2+, A methylamine, Dimethylamine, Trimethylamine, lycine and Choline Chloride, etc.
Conductance Checker
Adopt precise five-pole conductance checker, divided into one route and dual route system. While adopting dual route system, negative ion and positive ion can adopt sequential recycling electrochemical inhibition, positive ion can adopt non-inhibition method, it has high agility for restraint method and easy operation advantages for non-inhibition method.
Main Technical Performance
Five-pole conductance battery: loop passive 316 stainless steel electrode, volume≤1.2ul. Temperature constant device, constant temperature precision: 5 to 50℃±0.05℃
Resolution: not lower than 1/20000(≤0.025ns)
Basic noise: not higher than 0.6％Fs
Baseline shift: not exceed ±2.0％Fs
Range: 0～3500us, manual and automatic function
Output voltage: 0～1000mv
Automatic adjustable range: -1000mv~+1000mv
Constant current of suppresser: 0～150mA., increment 1mA, set by users on screen
Fit for various inorganic negative iron, organic acid, alkali metals, alkaline earth, ammonium ions
Ampere checker:
Four checkout methods: DC ampere, impulse ampere, integral ampere, differential coefficient volt-ampere method
Adopt flow method or flow injection method, above four methods can be finished after choosing proper electrode, fit for negative ion of iodine, sulfur, cyanogens and bromine, etc., positive ion of lead, copper, zinc and cadmium, as well as organic substances.
Range: 1μg/L－1mg/L
Lower limit: Br- 15μg/L, I- 5μg/L, S2- 5μg/L, CN- 5μg/L, Cu2+ 0.5μg/L, Zn2+ 1μg/L, Pb2+ 0.2μg/L, Cd2+ 0.1μg/L
High-pressure Infusion Pump
It is dual pistons Reciprocating pumps controlled by microcomputer, buffer and pressure sensor is equipped for flowing path so that impulsion of pump lowers to its most. Pump can work under ultrahigh pressure depending on advanced airproofing technique. We can provide imported pump or assembled pump made by Germany, users can choose freely.
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Domestic pump(key parts are imported) |
Imported pump made by Germany |
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Pressure range |
0－42.0Mpa（Stainless steel）
0－35.0Mpa（PEEK） |
0－40.0Mpa
|
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Flux range |
0.01－9.99mL/min |
0.001－9.999mL/min |
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Flux error
（precision） |
RSD＜2% |
RSD＜0.5% |
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Repeatability error
（Stability） |
＜±1% |
＜±0.2% |
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Pressure sensor |
Pressure precision 0.1Mpa |
Pressure precision 0.1Mpa |
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Overvoltage protection |
Pump will close and give alarm if working pressure is too high or too low |
Pump will close and give alarm if working pressure is too high or too low |
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Pump flow path materials |
PEEK or stainless steel，users can choose freely |
Biological titanium steel or stainless steel, users can choose freely |
Remark: 0－50Mpa pressure is available for special requests (stainless steel)
Flow Path System
Adopt best parts in the world, pressure resistance of sampling valve reaches 7000psi, tie-in and flow path are made of PEEK materials (imported parts) with general purposes, cleaning agent made of strong acid and alkali is available, soluble to organic solvent which is convenient for users to analyze complicated samples, clean and repair chromatogram column. Users can change columns and proper cleaning agent freely. Higher pressure avoids leaks of flow path so that users have no worries at all.
Rated pipe of manual or automatic sampling valve can be set from 25µl to 200µl according to requests of users.
Fit for chromatogram column with different requests.
We provide many chromatogram columns for users (from Japan Shodex, America Alltech and domestic column, etc.), users can choose various negative and positive chromatogram columns, negative and positive ion protection column according to different requests of users.
Chromatogram Column and Conductance Battery Constant Temperature System
Temperature has great influence on mobility and conductance of ion, conductance value will enhance 2% if temperature rises 1℃. In addition, temperature can modify isolation of iron in Chromatogram Column. Thus, precise temperature control towards column and box (Chromatogram Column, conductance battery) can gain good isolation and guarantee. Instrument box adopts dual layer structure with insulated layer, equipped with constant temperature system (semiconductor constant temperature tank), temperature ranges from 5 to 50℃. Temperature precision ±0.05℃. users can choose according to their working state.
Most advanced inhibition tech in the world
Sequential automatic recycled electrochemical suppresser, automatic recycling online, easy operation, long service life. In addition, water suppresser and chemical suppresser can be collocated according to requests
Online degassing function
Gas can be removed making use of vacuum principle (vacuum pressure -0.01MPa) in order to enhance agility and stability of instrument, operation will be easier. Users can choose according to their working state.
Chromatogram workstation
24 High-precision High-agility ADC
Transmit digital signal with computer via high performance USB method, Windows2000 or WindowsXP interface.
Easy operation, intelligent treatment of spectrum data to show drawing, period, peak height, area and concentration, make and rectify curve.
Possess professional functions, there are still easy adjustable methods if special effects are necessary.
Simple and proper interface layout; print, result collection, sequential operation, automatic save and spectrum management are available.
Spectrum collects data and related data to gather into one doc according to GLP criteria.
This software is linked closely to Microsoft Office and it can produce analysis report in Word. Rated results (or collection of rated results for many times) can be clipped and transmitted to Excel, analysis records can be stored into Access database directly.
Remote control can be realized via internet instrument, working parameters can be set online to carry out man-machine conversation to control automatic sampling machine
Automatic checker can give alarm and protect instrument if there are malfunctions while running. Data collection and treatment of negative and positive data can be finished at one time for using dual passages workstation.
Working State
Power supply: AC220V±10% 50HZ
Ambient temperature: 10~30℃
Relative humidity: 25~85%
PIC—8 Checkout Technical Index
Analyze Inorganic Negative Ion (Sequential Automatic Recycling Electrochemical Suppresser)
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Separation |
Sample and check F-, CI-, NO2-, H2PO4-, Br-, NO3-, SO42- within 12 minutes |
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Lower limit |
Better than 3ppb（CI- test） |
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Analysis reproducible |
Better than 3%（SO42-test） |
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Linearity range |
>102 |
Analyze inorganic negative ion (Sequential Automatic Recycling Electrochemical Suppresser)
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Separation |
Sample and check Li+、Na+、NH4+、K+、Mg2+、Ca2+ ion within 12 minutes |
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Lower limit |
Better than 3ppb（Na+ test） |
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Analysis reproducible |
Better than 3%（Na+ test） |
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Linearity range |
>102 |
Analyze Positive Ion (non-inhibition Type)
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Separation |
Sample and check Li+, Na+, NH4+, K+, Mg2+, Ca2+ ion within 10 minutes |
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Lower limit |
Na+ Better than 40ppb, Mg2+ Better than 30ppb, Ca2+ Better than 40ppb |
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Analysis reproducible |
Better than 2%（Na+ test） |
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Linearity range |
>102 |
Remark: above indexes are brought from domestic iron chromatogram column |
