McSwiggen & Associates  
Home Services Products FAQs Tech Notes Applications About Us Contact Info
  /Products
 


McSwiggen & Associates also develops utility software to support the electron microprobe community in general and JEOL users in particular. Listed below are the software programs presently available.

 
MigrationCorrection
Item Numbers:
  Util003-S
Util003-W
Util003-M
Solaris version
Windows version
Macintosh version


Some elements, such as Na and K, will migrate away from the heat of the electron beam during an electron microprobe analyses.   As a result during the time it takes to make an analysis, the measured counts for these elements will drop.   The program MigrationCorrection allows a user to collect a series of element measurements and then back-calculates the count rate at time zero.   The user then runs the JEOL Off-Line Correction program to convert the new calculated count rate to weight percents.

Cost:         $750   User manual (.pdf)
back to top
 
MonaziteAge
Item Numbers:
  MA001-S
MA001-W
MA001-M
Solaris version
Windows version
Macintosh version


The MonaziteAge program allows a user determine the age of a radioactive mineral from its quantitative analysis or to produce an age map from Th, U, and Pb age maps. It can be used on both Th-rich phases, like monazite, and on more U-rich phases, such as zircon or xenotime. It allows the user to calculate the age from a single analytical point or from a set of analyses. When multiple analyses are used to determine a single age, the software will correct for non-radiogenic lead and for lead leaching that may have taken place. The program can also be used to create age maps from calibrated element maps of ThO2, UO2 and PbO, or from quantitative analysis data.




Cost:         $2000   User manual (.pdf)
back to top
 
ImageJ Plugin: JEOL Raw File Opener
Item Numbers:
ImgJ001-S
ImgJ001-W
ImgJ001-M
Solaris version
Windows version
Macintosh version

 

Description:

This plugin to the NIH ImageJ program allows users to open and convert JEOL images files (X-ray maps) into TIFF or JPEG formats. The plugin can be used to effortlessly read an individual image file into ImageJ for additional image processing, or it can be used to convert an entire JEOL sample of images into either TIFF of JPEG formats in a batch process. During the image conversion process, it will also determine the proper scale of the image and display a micron marker, if the user selected this option.

 

Cost:          $500   User manual (.pdf)
back to top
 
CorrectStd
Item Number:
  Util001-S Solaris version
 
Description:

During EDS standardization on the JEOL 8200, the EDS spectrum is stored, not just the peak intensity. This allows for deconvoluting the unknown spectrum when peak overlaps occur. It is important therefore to use standards that do not have any overlapping peaks. However as most probe operators know, many materials require standards of similar composition to the unknown in order to get good results, and yet complicated mineral standards typically have many overlapping peaks on an EDS system.
A solution to this problem is to use pure standards for the initial standardization, but if the expected results are not obtained on secondary mineral standards, then correct the standard intensity data. On the JEOL 8900 this was possible through the Quantitative Analysis > Check Data function. However since the spectra are now stored on the 8200, not just the peak intensity, this is not possible.  CorrectStd is a utility program to overcome this problem.  CorrectStd allows the user to correct the standard intensities when suitable standards of similar composition cannot be used due to peak overlaps.
Cost:         $250   User manual (.pdf)
back to top
 
EDS_Cal-Std_Mod
Item Number:
  Util002-S Solaris version
 

JEOL supplies EDS calibration data for every element so that standardless, semi-quantitative, EDS analyses can be run. Most of these data are from pure elements. Because of this, in some circumstances, they my not produce adequate results when analyzing complex phases. As most probe operators know, many materials require standards of similar composition to the unknown in order to get good results. One solution is to replace the EDS calibration data with the user's data (see JEOL manual: EDS_OperationProgram.pdf). If a user is going to do this, they must make sure that their standard does not have any peak overlaps. If the users standard is not suitable as a primary standard, it still maybe useable as a secondary standard in coordination with this program EDS_Cal-Std_Mod. Instead of replacing the JEOL data, this program allows the user to adjust the JEOL standard data until correct results are obtained on the secondary standards.

Cost:         $200   User manual (.pdf)