User Manual

MON20/20 Software for Gas Chromatographs

3-9000-745

OCTOBER 2010

 

 

B.3.1 Concentration analysis with response factor

Calibration

The concentration calculations discussed as follows require a unique response factor for each component in an analysis. These factors may be manually entered by an operator or automatically calculated by calibrating the system.

 

Arean

or

Htn

 

ARFn = --------------

HRFn = -----------

 

Caln

 

Caln

where

 

 

 

ARFn

Area response factor for component n in area per mole percent (%).

HRFn

Height response factor for component n.

Arean

Area associated with component n in calibration gas.

Htn

Height associated with component n in mole percent in calibration gas.

Caln

Amount of component n in mole percent of calibration gas.

Calculated response factors are stored by the GC for use in the concentration calculations, and are printed out in the configuration and calibration reports.

k

∑RFi

RFAVGn = i-----------------= 1 -

k

B-4

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Emerson Process Management 3-9000-745 manual Concentration analysis with response factor, Calibration
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3-9000-745 specifications

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