GC-4500 Gas Chromatography System 
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5 kinds of sample injectors and all conventional detectors can be attachable depending on samples for analysis. In particular, for analysis of environmental samples (water quality, air, soil and wastes) satisfactory outcome can be achieved by connecting a sample preparation system such as the Purge & Trap. Features: - Automatic flow control and ignition of the FID- flame
- Auto-start of chromatogram when sample is injected
- Gas save function (Capillary Injector)
- TCD maximum current control based on the type of gas
- Optional valves (solenoid, 2-position) control function
- Automatic notification of power-off
Inligent Pneumatic Control (IPC): - Full automatic flow control of IPC
- Pressure range: 0-100psi (resolution: 0.01psi)
- Flow range: 0-500mL/min (resolution: 0.01mL/min)
- Split ratio up to 5000:1
Auto Sampler/Injector: - Dual inlet injection capability
- Variable injection/syringe fill rates
- Methods linking
- Multiple solvent/waste bottles
- Syringe range 5uL-250uL
- Air gapping capability
- Multiple tray options: 120 vials, 1.8mL; 220 vials, 0.8mL; 60 vials, 10mL
Gas Sampling Valve: - Two Valves can be controlled by Air Actuation
- Full automation system is built along with the automatic Run/Stop function
INLET SYSTEM Excellent accuracy, reproducibility Packed Inlet: - 1/4”,1/8” Glass-lined Metal Liner are available
- On-Column injection method (direct injection of sample into column) is available using 1/4” Glass Column
- 0.53mm ID Capillary Column can be used
Capillary Inlet: - High resolution, prompt analysis time and most typical inlet system
- Split and Splitless mode can be selectable
DETECTORS - High selectivity and sensitivity FID (Flame lonization Detector): - Improved sensitivity into 19mCoulomb/g Carbon
- Easy to disassemble and assemble detector
- Minimization of sample degeneration as well as jet pollution by means of inert quartz jet
- Auto ignition of hydrogen flame
- Use as TID by replacing a collector and bead
TCD (Thermal Conductivity Detector): - High detection reproducibility by excellent temperature stability
- Supplying static current to 4 Rhenium-Tungsten filaments and selecting the optimal reactivity by changing the filament current by 2mA according to detector temperature.
TID (Thermionic Ionization Detector); NPD: - Selective reaction to phosphorous or nitrogen compounds like organic phosphorous pesticides
- TID Bead Current Auto Optimization: Automatic ignition as the optimal current supplied by sensing the bead condition of alkali Rb Salt.
- The induction of nitrogen/phosphorous is more 104 times than that of carbon
PDD (Pulsed Discharge Detector): - ECD Mode: Analysis of organic chloric pesticides; MDQ-Pico (10-12 g) of Femto (10-15 g)
- HID Mode: Non-destructive Detector; Noble gas analysis/ FID substitute
- PDPID Mode
GC-4500 CONTROL PROGRAM 
Easy and Excellent Control: - Exact flow/pressure control by IPC (Inligent Pneumatic Control)
- Auto ignition of FID flame
- Auto control of TCD current
- Auto start function as sample injection (Better reproducibility)
- Check for GC operation by STATUS INFORMATION window
- Auto repeat analysis function
- Can Control 2-Position Valves (2ea) and Solenoid Valves (6ea)
- Gas save function
Safety Function: - In case of FID flame off, auto off for Air/H2/ Make-up gas flow (available from next version)
- TCD Filament protect function: Current off when the Carrier/Reference Gas does not flow (available from next version)
- Automatic notification of power-off: It informs turning off the GC safely by one clicking of the disconnect button
- Auto shutdown function when some problem happen by each device
Status Information Window: - Checking Analysis Progress
- Confirming Serial Number and Hardware Version
- Confirming Error Message
Schedule Program: - Control Solenoid Valves and 2-Position Valves
- Auto Repeat Analysis
LIQUID AUTO SAMPLER 
The Liquid Auto Sampler, an entirely new sampling system designed and built to automate any GC. If you are looking for a sampling system to replace an older, less reliable auto sampler, the Liquid Auto Sampler is the logical choice. The flexibility of the Liquid Auto Sampler also allows customization for special applications. State-of- the-art component technology with easy-to-use operating features make the Liquid Auto Sampler suitable for routine as well as research level sampling requirements. - Direct Syringe Injection
- Variable Injection Rates
- Variable Syringe Fill Rates
- Dual Inlet Injection Capability
- Syringe Range 5uL-250uL
- Multiple Tray Option: 120 vials, 1.8mL; 220 vials, 0.8mL; 60 vials, 10mL
- Uses Off-the Shelf Syringes
HEADSPACE AUTO SAMPLER 
The Headspace Auto Sampler utilizes a closed sample introduction system. Unlike syringe injection systems, the loss of headspace vapor during the injection process due to vapor pressure changes is never a concern. In addition to the sensitivity benefits of the Dynamic Headspace technology, the Headspace Auto Sampler delivers the added flexibility of performing traditional fixed loop injections and time-based injections incorporated within a single system. Whether your preference is to make a highly reproducible timed injection to minimize the number of sample pathway components, a known/fixed volume loop injection or a concentrated injection for improved sensitivity, the Headspace Auto Sampler is the right instrument for you. Productivity:- Horizontal rotary evaporation cuts equilibration times by 80%
- High-capacity 90-position sample carousel
- Automatic leak and integrity check
Patented Dual Needle Dynamic Headspace Features: - Static Loop Injection-A fixed volume loop available in various sizes is filled with the headspace vapor to inject a known volume of sample into the GC.
- Static Time-Based Injection (Pressure Balanced)
- The headspace vapor is directed to the GC for a programmed period of time.
- Dynamic Headspace Trap Injection -The headspace vapor is continually displaced from the sample vial and collected on an adsorbent trap for a concentrated injection.
| Technical Specifications | Column Oven | Inner volume | 16.25 liter (250mm W* 260mm D*250mm H) | Temperature Range | Ambient to 400℃ | Linear Programming Rate | Max: 120℃/min up to 400℃ (0.1℃ increment) | Heating Rate | About 2.3 minutes 50℃ to 300℃ | Cooling Rate | About 6 minutes 300℃ to 50℃ | Run Time | Automatically computed to 999.9 minutes by 0.1 minute increments | Temp. Programming | 30 Step | Pneumatics (IPC Module) | IPC pressure range | 0 to 100psi | IPC flow range | 0 to 450mL/min | Pressure resolution | 0.01psi | Flow resolution | 0.01mL/min | Support IPC Channels | Up to 20, for inlets, detectors or auxiliary gases (including pressure channel) | Pressure/flow programming steps | up to 5 steps | EPC control | Inlets and detectors (carrier, split vent, make-up and combustion gases) | Split ratio | up to 5000:1 | Detector Modules Flow set range | FID/NPD make-up | 0-100 mL/min | FID air | 0-450 mL/min | FID hydrogen | 0-100 mL/min | TCD make-up | 0-130 mL/min | TCD reference | 0-100 mL/min | FPD make-up | 0-130 mL/min | FPD air | 0-250 mL/min | FPD hydrogen | 0-300 mL/min |
Inlet Modules Pressure sensor | Accuracy | ±2% full scale | Repeatability | ±0.05psi | Temp. coefficient | ±0.01psi/℃ | Inlet Modules Flow sensor | | Accuracy | ±5% depending on carrier gas | Repeatability | ±0.35% of set point | Temp. coefficient | ±0.20mL/min normalized temp. and pressure | Data Acquisition System | Dynamic range | >2*106 | Sampling Rate | User selectable 10-60Hz per channel | Analog signal voltage ranges | ±10,5,2.5,1.25V | Analog to digital conversion resolution | 21 bits at all sampling rates | External event I/O ports | 8 | Remote | Start, stop control independent | Data Visualization | Up to chromatograms in real time, zoom/unzoom at any time; Scrutinize focused peaks, display baseline; Chromatograms overlap, background subtraction. | Data Management | Data export results as Text files; Dynamic data exchange to Microsoft windows applications; Various data management techniques support the time event programming (17items). | Custom reports | Peak number, retention time, peak name, peak area, peak height, area%, height%, peak start time, theoretical plates, capacity factor, peak resolution, peak asymmetry, regression coefficient value, correlation coefficient value, standard deviation, weight function, relative retention time, calibration equations. | Dimensions, weight and power | Dimensions | 425mm(W)*555mm(D)*450mm(H) | Weight | 30Kg | Power | 220V, 50/60Hz,2.7kW |
Inlet System (Injector) | Maximum installed Qty. | 2 | Type | Packed column inlet, Septum purge Packed column Inlet, Capillary Column Inlet, GSV, Auto Gas Sampling System and etc. | Temp. Range | Ambient to 400℃ | Packed Inlet | 1/4", 1/8" Glass-lined Metal Liner are available. | On-Column injection method is available using 1/4" Glass Column | 0.53mm ID Capillary Column can be used | Capillary Inlet | High resolution, prompt analysis time and most typical inlet system | Split and Splitless mode can be selectable | Gas Sampling Valve | 4 Valves can be controlled by Air Actuation | Controlling Multi Position Valve | Full automation system is built along with the automatic Run/Stop function | Detector | Thermal Conductivity Detector (TCD) | Cell | Flow through cell design, 4 Rhenium/tungsten filaments (32/each) | Temp. Range | Ambient to 400℃ | Bridge Power Supply | Constant current system (1-400mA) | Filament Protection circuit | Automatically protect from over load and over current | Micro-cell TCD | Cell | 4 coaxial, hot wire cell | Response Time | 150milliseconds | Internal Volume | 20uL | Column | Ideal for use with capillary columns | Flame Ionization Detector (FID) | Electrode Voltage | -230V | MDQ | 0.700pgC/s for dodecane | Linearity | 107 | Sensitivity | >9 mCoulomb/g Carbon (for C3H8) |
Jet Tip | Made by Quartz and supplied with -230V for excellent ion collection | Temp. Range | Ambient to 400℃ | Variability | Can be used TID by exchanging the bead and collector | Thermionic Ionization Detector (TID) | Features | Electrically heated, alkali-impregnated thermionic surface in chemically reactive H2-Air environment | Response | N, P specific | Bead Current | Auto Optimization | Thermionic Source | Rigid Rb/Cs/Sr-ceramic surface on Ni-ceramic sublayer | Specificity | at H2=3mL/min | N/C 105 (azobenzene/C) 10gN/gC | N/P 0.4 (azobenzene/malathion) gN/gP | P/C 105 (malathion/C ) 10gP/gC
17 | MDQ | 10-13 gN/sec(azobenzene) | Linearity | 105 (nicotine) | Variability | Can be used for FID by exchanging the bead and the collector | Pulsed Discharge Detector(PDD) | Source | Pulsed DC discharge in He | Sensitivity | 10X range: 1.0V/nA | 1X range: 1.0V/nA±1%(HID only) | Range | 10X: 10nA full-scale | 1X: 100nA full-scale(HID only) | Risetime | 10msec | MDQ | Organic compound (Low ppb) | Permanent gas (Low ppm) | Linearity | 105 |
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5 kinds of sample injectors and all conventional detectors can be attachable depending on samples for analysis. In particular, for analysis of environmental samples (water quality, air, soil and wastes) satisfactory outcome can be achieved by connecting a sample preparation system such as the Purge & Trap. Features: - Automatic flow control and ignition of the FID- flame
- Auto-start of chromatogram when sample is injected
- Gas save function (Capillary Injector)
- TCD maximum current control based on the type of gas
- Optional valves (solenoid, 2-position) control function
- Automatic notification of power-off
Inligent Pneumatic Control (IPC): - Full automatic flow control of IPC
- Pressure range: 0-100psi (resolution: 0.01psi)
- Flow range: 0-500mL/min (resolution: 0.01mL/min)
- Split ratio up to 5000:1
Auto Sampler/Injector: - Dual inlet injection capability
- Variable injection/syringe fill rates
- Methods linking
- Multiple solvent/waste bottles
- Syringe range 5uL-250uL
- Air gapping capability
- Multiple tray options: 120 vials, 1.8mL; 220 vials, 0.8mL; 60 vials, 10mL
Gas Sampling Valve: - Two Valves can be controlled by Air Actuation
- Full automation system is built along with the automatic Run/Stop function
INLET SYSTEM Excellent accuracy, reproducibility Packed Inlet: - 1/4”,1/8” Glass-lined Metal Liner are available
- On-Column injection method (direct injection of sample into column) is available using 1/4” Glass Column
- 0.53mm ID Capillary Column can be used
Capillary Inlet: - High resolution, prompt analysis time and most typical inlet system
- Split and Splitless mode can be selectable
DETECTORS - High selectivity and sensitivity FID (Flame lonization Detector): - Improved sensitivity into 19mCoulomb/g Carbon
- Easy to disassemble and assemble detector
- Minimization of sample degeneration as well as jet pollution by means of inert quartz jet
- Auto ignition of hydrogen flame
- Use as TID by replacing a collector and bead
TCD (Thermal Conductivity Detector): - High detection reproducibility by excellent temperature stability
- Supplying static current to 4 Rhenium-Tungsten filaments and selecting the optimal reactivity by changing the filament current by 2mA according to detector temperature.
TID (Thermionic Ionization Detector); NPD: - Selective reaction to phosphorous or nitrogen compounds like organic phosphorous pesticides
- TID Bead Current Auto Optimization: Automatic ignition as the optimal current supplied by sensing the bead condition of alkali Rb Salt.
- The induction of nitrogen/phosphorous is more 104 times than that of carbon
PDD (Pulsed Discharge Detector): - ECD Mode: Analysis of organic chloric pesticides; MDQ-Pico (10-12 g) of Femto (10-15 g)
- HID Mode: Non-destructive Detector; Noble gas analysis/ FID substitute
- PDPID Mode
GC-4500 CONTROL PROGRAM
Easy and Excellent Control: - Exact flow/pressure control by IPC (Inligent Pneumatic Control)
- Auto ignition of FID flame
- Auto control of TCD current
- Auto start function as sample injection (Better reproducibility)
- Check for GC operation by STATUS INFORMATION window
- Auto repeat analysis function
- Can Control 2-Position Valves (2ea) and Solenoid Valves (6ea)
- Gas save function
Safety Function: - In case of FID flame off, auto off for Air/H2/ Make-up gas flow (available from next version)
- TCD Filament protect function: Current off when the Carrier/Reference Gas does not flow (available from next version)
- Automatic notification of power-off: It informs turning off the GC safely by one clicking of the disconnect button
- Auto shutdown function when some problem happen by each device
Status Information Window: - Checking Analysis Progress
- Confirming Serial Number and Hardware Version
- Confirming Error Message
Schedule Program: - Control Solenoid Valves and 2-Position Valves
- Auto Repeat Analysis
LIQUID AUTO SAMPLER
The Liquid Auto Sampler, an entirely new sampling system designed and built to automate any GC. If you are looking for a sampling system to replace an older, less reliable auto sampler, the Liquid Auto Sampler is the logical choice. The flexibility of the Liquid Auto Sampler also allows customization for special applications. State-of- the-art component technology with easy-to-use operating features make the Liquid Auto Sampler suitable for routine as well as research level sampling requirements. - Direct Syringe Injection
- Variable Injection Rates
- Variable Syringe Fill Rates
- Dual Inlet Injection Capability
- Syringe Range 5uL-250uL
- Multiple Tray Option: 120 vials, 1.8mL; 220 vials, 0.8mL; 60 vials, 10mL
- Uses Off-the Shelf Syringes
HEADSPACE AUTO SAMPLER
The Headspace Auto Sampler utilizes a closed sample introduction system. Unlike syringe injection systems, the loss of headspace vapor during the injection process due to vapor pressure changes is never a concern. In addition to the sensitivity benefits of the Dynamic Headspace technology, the Headspace Auto Sampler delivers the added flexibility of performing traditional fixed loop injections and time-based injections incorporated within a single system. Whether your preference is to make a highly reproducible timed injection to minimize the number of sample pathway components, a known/fixed volume loop injection or a concentrated injection for improved sensitivity, the Headspace Auto Sampler is the right instrument for you. Productivity:- Horizontal rotary evaporation cuts equilibration times by 80%
- High-capacity 90-position sample carousel
- Automatic leak and integrity check
Patented Dual Needle Dynamic Headspace Features: - Static Loop Injection-A fixed volume loop available in various sizes is filled with the headspace vapor to inject a known volume of sample into the GC.
- Static Time-Based Injection (Pressure Balanced)
- The headspace vapor is directed to the GC for a programmed period of time.
- Dynamic Headspace Trap Injection -The headspace vapor is continually displaced from the sample vial and collected on an adsorbent trap for a concentrated injection.
| Technical Specifications | Column Oven | Inner volume | 16.25 liter (250mm W* 260mm D*250mm H) | Temperature Range | Ambient to 400℃ | Linear Programming Rate | Max: 120℃/min up to 400℃ (0.1℃ increment) | Heating Rate | About 2.3 minutes 50℃ to 300℃ | Cooling Rate | About 6 minutes 300℃ to 50℃ | Run Time | Automatically computed to 999.9 minutes by 0.1 minute increments | Temp. Programming | 30 Step | Pneumatics (IPC Module) | IPC pressure range | 0 to 100psi | IPC flow range | 0 to 450mL/min | Pressure resolution | 0.01psi | Flow resolution | 0.01mL/min | Support IPC Channels | Up to 20, for inlets, detectors or auxiliary gases (including pressure channel) | Pressure/flow programming steps | up to 5 steps | EPC control | Inlets and detectors (carrier, split vent, make-up and combustion gases) | Split ratio | up to 5000:1 | Detector Modules Flow set range | FID/NPD make-up | 0-100 mL/min | FID air | 0-450 mL/min | FID hydrogen | 0-100 mL/min | TCD make-up | 0-130 mL/min | TCD reference | 0-100 mL/min | FPD make-up | 0-130 mL/min | FPD air | 0-250 mL/min | FPD hydrogen | 0-300 mL/min |
Inlet Modules Pressure sensor | Accuracy | ±2% full scale | Repeatability | ±0.05psi | Temp. coefficient | ±0.01psi/℃ | Inlet Modules Flow sensor | | Accuracy | ±5% depending on carrier gas | Repeatability | ±0.35% of set point | Temp. coefficient | ±0.20mL/min normalized temp. and pressure | Data Acquisition System | Dynamic range | >2*106 | Sampling Rate | User selectable 10-60Hz per channel | Analog signal voltage ranges | ±10,5,2.5,1.25V | Analog to digital conversion resolution | 21 bits at all sampling rates | External event I/O ports | 8 | Remote | Start, stop control independent | Data Visualization | Up to chromatograms in real time, zoom/unzoom at any time; Scrutinize focused peaks, display baseline; Chromatograms overlap, background subtraction. | Data Management | Data export results as Text files; Dynamic data exchange to Microsoft windows applications; Various data management techniques support the time event programming (17items). | Custom reports | Peak number, retention time, peak name, peak area, peak height, area%, height%, peak start time, theoretical plates, capacity factor, peak resolution, peak asymmetry, regression coefficient value, correlation coefficient value, standard deviation, weight function, relative retention time, calibration equations. | Dimensions, weight and power | Dimensions | 425mm(W)*555mm(D)*450mm(H) | Weight | 30Kg | Power | 220V, 50/60Hz,2.7kW |
Inlet System (Injector) | Maximum installed Qty. | 2 | Type | Packed column inlet, Septum purge Packed column Inlet, Capillary Column Inlet, GSV, Auto Gas Sampling System and etc. | Temp. Range | Ambient to 400℃ | Packed Inlet | 1/4", 1/8" Glass-lined Metal Liner are available. | On-Column injection method is available using 1/4" Glass Column | 0.53mm ID Capillary Column can be used | Capillary Inlet | High resolution, prompt analysis time and most typical inlet system | Split and Splitless mode can be selectable | Gas Sampling Valve | 4 Valves can be controlled by Air Actuation | Controlling Multi Position Valve | Full automation system is built along with the automatic Run/Stop function | Detector | Thermal Conductivity Detector (TCD) | Cell | Flow through cell design, 4 Rhenium/tungsten filaments (32/each) | Temp. Range | Ambient to 400℃ | Bridge Power Supply | Constant current system (1-400mA) | Filament Protection circuit | Automatically protect from over load and over current | Micro-cell TCD | Cell | 4 coaxial, hot wire cell | Response Time | 150milliseconds | Internal Volume | 20uL | Column | Ideal for use with capillary columns | Flame Ionization Detector (FID) | Electrode Voltage | -230V | MDQ | 0.700pgC/s for dodecane | Linearity | 107 | Sensitivity | >9 mCoulomb/g Carbon (for C3H8) |
Jet Tip | Made by Quartz and supplied with -230V for excellent ion collection | Temp. Range | Ambient to 400℃ | Variability | Can be used TID by exchanging the bead and collector | Thermionic Ionization Detector (TID) | Features | Electrically heated, alkali-impregnated thermionic surface in chemically reactive H2-Air environment | Response | N, P specific | Bead Current | Auto Optimization | Thermionic Source | Rigid Rb/Cs/Sr-ceramic surface on Ni-ceramic sublayer | Specificity | at H2=3mL/min | N/C 105 (azobenzene/C) 10gN/gC | N/P 0.4 (azobenzene/malathion) gN/gP | P/C 105 (malathion/C ) 10gP/gC
17 | MDQ | 10-13 gN/sec(azobenzene) | Linearity | 105 (nicotine) | Variability | Can be used for FID by exchanging the bead and the collector | Pulsed Discharge Detector(PDD) | Source | Pulsed DC discharge in He | Sensitivity | 10X range: 1.0V/nA | 1X range: 1.0V/nA±1%(HID only) | Range | 10X: 10nA full-scale | 1X: 100nA full-scale(HID only) | Risetime | 10msec | MDQ | Organic compound (Low ppb) | Permanent gas (Low ppm) | Linearity | 105 |
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