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If you've set up a cali table once, and you are recalibrating, you can open the standard and click on recalibrate, and it will change the corresponding point in the calibration curves. Minor note: "new calibration table" messes up some signal details (particularly smoothing) which need repairing after starting a new cali table. The table will be calibrated as you go along if you open each data file for a standard, and use "add level" to add its amount. Enter into "amount" the amounts in each standard.
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Simply define your signals, define your peaks in the calibration table, and add levels for all your standards. Secondly, Chemstation does external and internal calibration curves quite nicely (note: you have to choose whether you want internal or external in define report, not in set up calibration!), certainly with more convenience than exporting to Excel.
AGILENT CHEMSTATION DATA EXPORT MANUAL
The old hands reckoned they can do a better job than automatic us newbies reckoned we like our automatic and if a chromatogram is so bad we can't get it to integrate automatically, it probably isn't worth manual attention anyway! There was a side-debate on smoothing I personally love well-done smoothing, especially for low-abundance MS data, because integrators do a much better job when not fooled by noise, but others are quite adamant it's totally unacceptable as manipulation of the data. As I remember, we agreed to differ, but the consensus was manual is OK, but if you can use automatic, it raises less awkward questions about validation, as well as being easier. There was a lengthy debate here a while back on the subject of manual integration, and its acceptability. The exception is the baseline if you choose "advanced", then everything will be "advanced" (usually no bad thing!). Note that you can set individual integration parameters for each signal of interest (or change entire defaults for a detector if you prefer). Have you tried the different sorts of baseline that Chemstation offers (advanced, classic, no penetration etc.)? Adjusting these, and choosing good integration parameters might avoid the need for manual alterations (good starting-conditions can be obtained by choosing a weak signal and using autointegrate). If you really need to use manual integration, I may have answered the wrong question (sorry!).īut I'd suggest you look into what Chemstation can do: Firstly, it may be that you don't need manual integration. OK, I'll put my hands up: I have no idea whether it's possible to use batch export to export manually-adjusted baselines.
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If you resave your batch file, you never get this option again! You can still process by a different method, but you have to save your old method by which the batch file was processed with some other name, and save the new method by which you would like to process it in the name it is expecting to see!Īnother note: Exit batch review is next to Output batch report in the menus! It is really anoying to exit when you wanted to save the file. The third contains the data tabulated for all peaks in all samples.Ī note on batch files: the first time you open a batch file, you get an option of opening it with a different method, which is helpful if you have set up a separate data-processing method to your instrument method. If you look at the excel file it will have three worksheets. Now use "Batch" - "Output batch report" to create the file. You will probably want to export an excel file. Use the tab Report Options to choose the filename and type. It can export peak areas, calculated amounts and retention times for any peak you have set up as a calibrated thing. Use the tab Report Table to set up what data you would like to export. In batch mode, go to Batch - Options (also accessible via a button on the batch bar at the bottom of the screen)