Changing internal standard information

On the METHOD tab, you can make the following changes on the Internal Standards page.
  1. To edit the internal standard information, in the upper-right corner, click .
  2. To change the order (ascending or descending) in which the internal standard names appear, in the Internal Standard Name column header, click .
  3. To change information in a cell, click the cell, and then specify the details.
    Tip: You can use the Tab key to edit the subsequent cells.
  4. To add a new row, click .
  5. To delete a row, select the row, and then click .
  6. To add a new precursor mass on the Internal Standards tab, in the Precursor Mass cell, click .
  7. To add a new product mass on the Internal Standards tab, in the Product Mass cell, click .
  8. To modify internal standard groups on the Internal Standards tab, select the rows of the internal standard group, click , and then click Assign or Clear.
  9. To modify the linked internal standard used to standardize the selected internal standard, on the Internal Standards tab, use the Linked Internal Standard drop-down menu (see "Adding internal standard information", step 5).
  10. To change processing information, see "Adding internal standard processing information", step 3.
  11. To turn the peak parameters on or off and specify the value to the relevant columns on the Integration tab, turn on the Force Peak toggle for the internal standard you want, and then specify the value in the required cells.
  12. To edit information on the Ion Ratios tab, perform steps 1 through 4.
  13. To turn the internal standard on or off as a system suitability injection, on the System Suitability tab, use the System Suitability toggle.
    Note: When System Suitability is turned on, you can also select or clear the selections.
  14. To change the minimum peak area on the System Suitability tab, in the Minimum Peak Area cell, specify the value.
  15. To raise any exceptions, on the Flagging tab, specify the expected values in the Expected IS Absolute Response column and the tolerance values in the Expected IS Absolute Response Tolerance (%) column.
    Notes:
    • Ensure that the IS Expected Absolute Response rule is turned on to raise an exception.
    • If you do not specify values in the absolute response columns on the Flagging tab, you will not see any exceptions for internal standards.
  16. To download your method, click .
  17. To save as a new method, click , or, in the upper-right corner, click .
    Note: All changes are automatically saved.
  18. To discard the changes, click .