Page 15 - Shimadzu MXF-2400
P. 15

High Level Data Processing








 The data processing unit, which uses an IBM PC/AT compatible personal computer, performs all of the control, operation, and   3  Handy Sample Registering  4  Network Function and Auto Mail Function
 processing of data of the MXF-2400. The operation is all carried out through a personal computer. The available functions   In routine analysis there is no need to re-input a sample   Analysis results can be transmitted via LAN.
 include control and operation of the instrument, calculation of concentrations, and filling of analysis data.
               name once it has been registered along with the analysis   Analysis completion notifications, analysis result transfer and
               conditions.                                        error notifications can be e-mailed to specified addresses
               Sample names can be simply input with consecutive   using the e-mail notification function.
 Quantitative Calculation  numbers.
 Various calculation methods are selectable; you can select the method that is most suitable for your sample type and purpose of   Automatic operation possible by registering the device
 analysis.     halt (standby) and start up in the schedule.

 X-ray intensity
 measurement

 Drift correction  I = aIo + ß  a/ ß correction of X-ray intensity (kcps)

 Overlap correction
 Spectrum overlapping is corrected and background
 Quantitative Analysis  Background suppression  R =    Io n 2   suppressed.
 I = Io – K1I1 – K2I2
 Correction with internal
 The ratio of scattered X-ray intensity and element
 standard (Ratio method)
 concentration is obtained.
          Ir
 Calibration curve

 Wi = Xi + ΣKjIj
 Correction for absorption  Wi = aI + bI + c  X-ray intensities are converted into concentration values.
 Correction is made for absorption, enhancement,
 and enhancement   Wi = Xi (l + ΣdjWj) ΣljWj  and overlapping due to matrix effects.
 Presentation   I : X-ray intensity                   K : Coefficient                     α,β : Drift correction factors
 (Printout) of data  dj : Absorption/enhancement correction factor    a, b, c, d : Calibration factors     Ij : Overlap correction factor
 W : Element concentration      j : Coexisting elemen              i : Analytical element             n : Ratio coefficient

             5  Self-Diagnostic Function                        6  Report Function
 Operation for Data Processing
               A self-diagnostic check corresponding to the alarm in   Analysis results (quantitative and qualitative/ quantitative)
 All the operation is made via a personal computer. The operation is exceedingly easy. Shown below are some typical display
               question can be instantaneously displayed to enable speedy   can be easily compiled in daily and monthly report formats.
 images.
               countermeasures.                                   Also editing is possible through the use of CSV output
                                                                  function to enable reading into spreadsheet software such as
 1  Menu                                                          EXCEL.
 Large icon display makes for excellent operability.




 2  Analysis Screen
 The analysis screen mainly comprises three windows:
 sample name input, analysis schedule and result display.
 Just input the analysis group and sample name and click
 on the Start button to effortlessly perform analysis.










                                                                                                  MXF-2400
 14                                                                                        Multi-Channel X-ray Fluorescence Spectrometer  15
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