airmoVOC WMS

Monitoring of VOC in water

  • Model: airmoVOC WMS
  • Manufacturer: Chromatotec

Monitoring of VOC in water – BTEX included Based on EPA* 502.2 Method

Application:

  • Finished drinking water
  • Raw source water
  • Drinking water
  • Surface water
  • Wastewater (head space / ppt)
  • Rain water
  • Ambient air control
  • Urban/Non urban area pollution control
  • Indoor measurements
  • BTEX/PAMS/CE analysis
Category:

Principle

The airmoVOC WMS uses a valve with a sample trap.
It also features a metallic capillary column.
  • Miniaturization, sensitivity, mobility and flexibility are its main features.
  • Everything from the sample port up to the data storage is integrated in a wall mounted box.
  • Uninterrupted sampling with pre-concentration on absorbent tube
  • Gas chromatograph with metallic column with programmable temperature gradient oven.
Pressure control of the carrier gas by piezo-valve.
  • One week tested after production for quality control.
Vistachrom software enables the user to visualize and store data on a PC.
Furthermore it provides comfortable utilities to recalculate, calibrate and export data and to set-up measurement.
The software allows the calculation of retention time, area, mass or concentration profiles.
Purge: for on line analytic instrument
• Based on EPA 502.2 Method
• 5 ml of water sample as standard or optional 25 ml sparger
• Purge with inert gas: ultra pure N2 (Ultra High Purity) – 40 ml/min
• Sampling time: 11 minutes
• Inlet calibration is easy to perform thanks to a low sample volume required only 5ml of water
• Dead volume < 15 mL (volume between water and trap)
• Bubbles with a diameter < 3 mm at the origin of the frit
• Automatic rinse
Example of application
All VOC below can be analysed N° CAS
1,2-Dichloroethane 107-06-2
Benzene 71-43-2
1,2-Dichloropropane 78-87-5
Trichloroethylene 79-01.6
Toluene  108-88-3
Tetrachloroethylene  127-18-4
Chlorobenzene  108-90-7
Ethylbenzene 100-41-4
* m-Xylene 108-38-3
* p-Xylene  106-42-3
Styrene 100-42-5
All VOC below can be analysed N° CAS
o-Xylene 95-47-6
Isopropylbenzene 98-82-2
1,3,5-Trimethylbenzene 108-67-8
1,2,4-Trimethylbenzene 95-63-6  95-63-6
1,3-Dichlorobenzene 541-73-1
1,4-Dichlorobenzene 106-46-7
1,2-Dichlorobenzene 95-50-1
1,2,4-Trichlorobenzene 120-82-1
1,2,3-Trichlorobenzene 87-61-6
Hexachloro-1,3-butadiene 87-68-3
*SUM of M+P Xylene

Options

  • DET QMS for online GCMS
  • airmoVOC BTEX expert 1 ppt LDL
  • Automatic validation and calibration with internal CALIB
  • 24 V DC power supply
  • Integrated hydrogen and zero air generators for autonomous analysers
  • Multiplexer: 2 to 32 streams
  • 1 stream for water and 1 stream for air
  • Internal or external multipoint calibration and zero with CALIB MFC, XXXCYL MFC, airmoCAL PAH
  • airmoVOC C6C16 for more VOCs and S VOCs
  • Analog output 4-20 mA or 0-10 V

 

Analysis by airmoVOC:


 
3 main solutions : Up to 60 compounds with :

    • 60 compounds : our Purge & Trap 2 GC FID
    • 50 compounds : our Purge & Trap 1 GC FID
    • 50 compounds : our Purge & Trap 1 GC PID
  • BTEX and chlorine compounds
Detection limit:
  • < 0.001 µg/l for BTEX
Detection range:
  • 0.05 to 20 µg/l for surface water and finished drinking water
  • 0 to 50 000 µg/l for liquid and other liquid on demand
Relative standard deviation (RSD):
  • < 0.3% over 48h (Retention Time)
  • < 3% over 48h (Concentration)
  • < 10% for water analysis (Concentration)
Base Line: Zero drift:
  • < ±3%
Linearity:
  • R> 0.99 on all compounds
Supervisor:
  • Full result storage (data and chromatogram)
  • Embedded computer Windows® based with LCD display
  • 128 GB of Hardware storage on SSD memory
  • 4 USB Connecting Port
  • Two RS-232 ports
  • Display: 10’’ TFT Color LCD
  • MODBUS RTU / JBUS communication protocol
Cycle time:
  • 30 min or 60 min
Gas supply:
  • H2 (FID and carrier gas): 30 ml/min (supply 2 bar ; 1/16’’double ferrule
  • Air (FID) : 180 ml/min (supply 3 bar ; 1/8’’double ferrule
  • N2 (Purge): 40 ml/min (inlet 3 bars ; 1/8’’ double ferrule)
  • Sample inlet (vacuum pump) ; 1/4 double ferrule
  • Pneumatic valve 90ml/commutation
Operation Temperature:
  • Room with air conditioning: 10 to 25°c

Purge:

  • ZERO N2 analysis
  • ZERO WATER analysis (Blank)
  • Standard water analysis
Power supply:
  • Main: 230V / 50 Hz or 115V / 60 Hz
Electrical consumption:
  • Mean: 150 VA, Peak 360 VA
Installation in a wall-mounted cabinet:
  • Height: 1440mm
  • Width: 600mm
  • Depth: 300mm
  • Net weight: 80 Kg
To order: Model:
airmoVOC 624 A25022
airmoVOC-WMS A25022-502

 

TSP airmoVOC WMS

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