Table 3. Relative Intensity (%) of Mass (m/z) by GC-MSa.
| % relative
intensity of mass (m/z) |
||||
|---|---|---|---|---|
| name | 31.0 | 59.0 (base peak) | 103.0 | |
| standard | 69.27% | 100.00% | 62.45% | maximum tolerance of relative intensity (% base peak) |
| spiked sample | 67.51 | 100.00 | 62.73 | ±10% for GC-EI-MS if confirmation peak >50% (base peak) of the standard |
| A | 67.17 | 65.79 | ||
| B | 68.64 | 64.14 | ||
| C | 66.75 | 64.41 | ||
| D | 65.27 | 63.36 | ||
| E | 66.22 | 60.31 | ||
| F | 65.87 | 62.73 | ||
a
m/z (mass-to-charge ratio). GC-MS (gas chromatography-mass spectrometry). GC-EI-MS (gas chromatography-electron impact-mass spectrometry).