Using the Isotope Calculator
7.Specify the Add/Subtract Group option. To enable or
disable the option, select or deselect the Group Type | 6 |
check box. |
8.In the Add/Subtract Group section, select:
•Element or group to add or subtract from the formula before calculating the isotope (does not apply if Add/Subtract Group is disabled).
•Number of elements or groups to add or remove and the charge state to divide by.
NOTE: When Add/Subtract is enabled, the Group Count/Charge field determines the number of groups to add or subtract, and the charge state to calculate. When Add/Subtract is disabled, the Charge field determines the charge state to calculate.
•Whether to add or subtract the specified number of elements or groups.
NOTE: If you specify Subtract, the group to subtract must be present in the formula you specify in step 5.
For more information, see “Add and subtract examples” on page
9.Select the Resolution option:
•Da— Resolves peaks that are separated by the number of daltons you enter.
•Resolving Power— Resolves peaks using the resolving power (M/∆ M) you enter.
•PPM— Resolves peaks within the number of PPM (parts per million) you enter.
Data Explorer™ Software User’s Guide |