Processed databases
Atom-Mass pairs
Outputs for Phthalic acid; GC-EI-TOF; MS; n TMS; RT:643.857 sec
Database: Engineering department, Osaka Univ.
Entry ID: OUF00423
Synonyms: Phthalic acid
Total mass: 166.1306
Formula: H6 C8 O4
Experimental information
MS type: MS
Instrument: Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies
Instrument type: GC-EI-TOF
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks: 175.0,178.0,181.0,192.0,195.0,205.0,209.0,219.0,222.0,265.0,294.0,297.0,310.0,
Replicated queried mass peaks: 86.0, 87.0, 89.0, 90.0, 92.0, 93.0, 95.0, 96.0, 102.0, 103.0, 105.0, 106.0, 108.0, 109.0, 111.0, 112.0, 115.0, 117.0, 118.0, 120.0, 121.0, 126.0, 127.0, 131.0, 133.0, 134.0, 136.0, 137.0, 141.0, 146.0, 147.0, 149.0, 150.0, 162.0, 163.0, 165.0, 176.0, 177.0, 179.0, 180.0, 193.0, 194.0, 207.0, 220.0, 221.0, 223.0, 266.0, 267.0, 295.0, 296.0, 298.0, 311.0,
Processing time: 0:00:01.811813
Results for the quried mass "164.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C8O4 | 0.115 | 4 | 0 | C1,C2,C3,C4,C5,C6,C7,C8,O9,O10,O11,O12 |