MOMA Mass Calibration

This page details how mass calibration is accomplished for MOMA's mass spectrometer. The mass calibration config file is currently being used by MOMA Data View, our python tools, and XINA Online.

Mass Cal Config File Format

All Versions

Conventions

Fields

Version 1

Fields

 0 = BIN
 1 = RF_MON
 2 = RF_DAC

 [1.0, 2.0, 3.0] --> m/z = 3x^2 + 2x + 1

Example

{  
  "control_mode":2,
  "entries":[  
     {  
        "constants":[  
           0.0,
           1.0,
           0.0
        ],
        "data_points":[  
        ],
        "order":0,
        "phase_cycle":-1,
        "rms":0.0
     },
     {  
        "constants":[  
           3.04691,
           0.568583,
           0.0
        ],
        "data_points":[  
           {  
              "amu":132.905,
              "control":228.389
           },
           {  
              "amu":392.715,
              "control":685.332
           }
        ],
        "order":1,
        "phase_cycle":3,
        "rms":1.0
     },
     {  
        "constants":[  
           6.34889,
           0.992971,
           0.0
        ],
        "data_points":[  
           {  
              "amu":132.905,
              "control":127.214
           },
           {  
              "amu":392.715,
              "control":389.253
           },
           {  
              "amu":652.525,
              "control":651.162
           },
           {  
              "amu":912.335,
              "control":912.074
           }
        ],
        "order":1,
        "phase_cycle":6,
        "rms":0.999999
     }
  ],
  "version":2
}

Revision #1
Created 22 March 2023 20:22:37 by Nick Dobson
Updated 24 March 2023 13:47:06 by Nick Dobson