Varian Gas Chromatography GC/MS systems SATURN 3
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Varian
Software: Information not available
Instrument: Saturn 3
Computer System: PC/Windows
Export Allowed: No
Converter Name: VAR_SAT3
File Extension: *.MS
This converter provides support for converting Varian Saturn 3 GC-MS data files. This converter only supports import; GRAMS files cannot be exported with this converter.

On Import the converter looks for source files with *.MS file extensions and creates two destination files: a *.SPC multifile with mass spectra and *.CGM total ion chromatogram.

This converter may also support import of Finnigan MAT ITS40 GC-MS files but this has not been tested.

Note that the GRAMS/AI multifiles created by this converter are a special Mass Spectrum XYXY type. This is due to the fact that the files only store the ion peaks above a preset threshold in each spectrum giving every spectrum a different number of data points. These files are not compatible with Lab Calc software. Not only are these in GRAMS-ONLY format but most of the Array Basic multifile manipulation programs (SMOOTH DERIVATIVE BASELINE etc.) will NOT work properly on this type of data. There is an Array Basic program called MS2SPC.AB (available from Thermo Electron upon request) which will read the XYXY file and create a standard GRAMS multifile. It does this by forcing all data points to be at integer M/z values and putting zeros (0's) in locations where there are no mass peaks. This allows most Array Basic multifile operations to be performed on the mass spectra but expands the file size significantly. In addition there are also options in the program for creating the new multifiles with even-Z axes. This allows the extracted CGMs to be manipulated by Array Basic.