Processed databases
Atom-Mass pairs
Outputs for Citric acid; LC-ESI-ITFT; MS2; m/z:191.02; NEG
Database: Graduate School of Information Science, NAIST
Entry ID: KNA00552
Synonyms: Citrate, Citric acid, 2-Hydroxy-1,2,3-propanetricarboxylic acid, 2-Hydroxytricarballylic acid
Total mass: 192.1232
Formula: H8 C6 O7
Experimental information
MS type: MS2
Instrument: LTQ Orbitrap XL, Thermo Scientfic
Instrument type: LC-ESI-ITFT
Ionization: ESI
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 130.899017, 150.917526,
Processing time: 0:00:01.901560
Results for the quried mass "87.017044"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O11 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O12 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O9 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O10 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O7 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O8 |
| C6O1 | 0.039 | 1 | 0 | C1,C2,C3,C4,C5,C6,O13 |
| C3O3 | 0.037 | 3 | 0 | C2,C4,C6,O9,O10,O13 |
| C3O3 | 0.037 | 3 | 0 | C1,C3,C6,O7,O8,O13 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C3,C6,O7,O8 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C3,C6,O7,O13 |
| C4O2 | 0.080 | 7 | 1 | C1,C2,C3,C6,O8,O13 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C4,C6,O9,O10 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C4,C6,O9,O13 |
| C4O2 | 0.080 | 7 | 1 | C1,C2,C4,C6,O10,O13 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C5,C6,O11,O12 |
| C4O2 | 0.080 | 7 | 2 | C1,C2,C5,C6,O11,O13 |
| C4O2 | 0.080 | 7 | 1 | C1,C2,C5,C6,O12,O13 |