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Environmental analysis

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Home » Environmental analysis » QTOC 202

QTOC 202 Spezification

QTOC 202 Details

Analyser

Mode of operation
  • thermal-catalytic oxidation of all carbon compounds at 800°C
  • slight acidification of samples automatically
  • exhalation of the inorganic C-compounds automatically
  • measuring of CO2-contents by NDIR-detector (type ANCO 3)
  • *measuring of TNb-contents (optionally)
  • measuring of the total nitrogen by EC-sensor or CLD-detector
  • low temperature reactor for measuring of the inorganic carbon at 160 °C
  • possibility of changeover for analysis of solids
Gas-analyser two comfortable NDIR-laboratory analysers with 3 reversible measuring ranges each guarantee:

  • noise free measuring signals
  • no double peaks
  • high reproducibility

6 measuring ranges, reversible

  • 0 – 50 / 0 – 200 / 0 – 1000 ppm CO2
  • 0 – 1% / 0 – 5% / 0 – 10% CO2

other measuring ranges on request

Analysing time from 30 sec. on per measuring
Autom. sampler (KSP) for fully automatic sample input
sample rack for 40 (15 ml) resp. 104 (4 ml) single samples
Sample quantity 20 - 400 µl
Particle transmissibility up to 500 µm
Temperature stabilisation A cooling device takes care of always non-varying temperatures for the 40 or 104 samples
Injection system Innovative injection system which prevents seeping of water samples
Reactor temperature 800°C for TOC, 160°C for TIC, 2 identical furnaces, interchangeable
System-measuring range 0 – 1000 mg/l C und 0 –200 mg/l N
Detection limit 0,1 mg/l C (and 0,1 mg/l N with TNb -option)
Quality assurance accord. to EN 1484 / DIN 38409 / DIN 32645 /
accord. to QTOC-data file 10.2004
Analysis Graphics and log at external computer-analysing system
Main supply 230 V / 50 Hz / 6 A
QTOC 201 dimensions 725 x 520 x 600 mm (H x W x D)
Weight about 48 kg
Carrier gas supply Synthetic air or O2, class 4, 8 or better. Flow adjustable 4 – 20 l/h (manually)



Solids Module

Mode of operation
  • thermal-catalytic oxidation of the carbon-compounds at 1350 °C
  • thermal-catalytic postoxidation at 800 °C
  • exhalation of the inorganic carbon-compounds
  • measuring of the CO2-contents by NDIR-detectors in the analyser type ANCO3 for solid and liquid phase
Sample input closed sample-input system, automatically
Sample portion max. 5 g in ceramic boats in the solids section
Thermal fusion unit 2-level-laboratory furnace. First heating zone: 1350 °C, second heating zone: 800 °C (for postoxidation), type LABOF
Temperature stabilisation highly exact automatic temperature control
Quality assurance acc. to EN 1484 / DIN 38409 / DIN 32645 / EN 13137
Main supply 230 V / 50 Hz / 6 A
Dimensions 300 x 370 x 660 mm (H x W x D)
Weight about 22 kg
Carrier gas supply supply by analysing unit
Measuring ranges 3 measuring ranges:
0 – 1% / 0 – 5% / 0 – 10% CO2
*TIC-module for acidification and exhalation at TIC-measuring (samples with inorganic C-compounds), optionally