Processed databases
Atom-Mass pairs
Outputs for PARA-HYDROXYBENZOIC ACID; EI-B; MS
Database: UNIV. OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, Tokyo
Entry ID: JP010315
Synonyms: PARA-HYDROXYBENZOIC ACID
Total mass: 138.1205
Formula: H6 C7 O3
Experimental information
MS type: MS
Instrument: HITACHI M-80A
Instrument type: EI-B
Ionization: 70 eV
Ionization mode: POSITIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 29.0, 38.0, 39.0, 51.0, 55.0, 62.0, 63.0, 65.0, 66.0, 93.0, 122.0, 139.0, 140.0,
Processing time: 0:00:01.933540
Results for the quried mass "27.0"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C1O1 | 0.002 | 1 | 0 | C6,O8 |
| C1O1 | 0.002 | 1 | 0 | C7,O9 |
| C1O1 | 0.002 | 1 | 1 | C7,O10 |
| C2 | 0.045 | 3 | 1 | C1,C3 |
| C2 | 0.045 | 3 | 2 | C1,C5 |
| C2 | 0.045 | 3 | 1 | C2,C4 |
| C2 | 0.045 | 3 | 2 | C2,C5 |
| C2 | 0.045 | 3 | 2 | C3,C6 |
| C2 | 0.045 | 3 | 2 | C4,C6 |