Processed databases
Atom-Mass pairs
Outputs for Citric acid; LC-ESI-QQ; MS2; CE:20 V; [M-H]-
Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO000382
Synonyms: Citrate, 2-Hydroxytricarballylic acid, 2-Hydroxy-1,2,3-propanetricarboxylic acid, Citric acid
Total mass: 192.1232
Formula: H8 C6 O7
Experimental information
MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: NEGATIVE
CAMP general report:
Acceptable mass threshold: 2.0158Out of range queried mass peaks:
Replicated queried mass peaks: 87.1, 101.0, 109.5, 130.7,
Processing time: 0:00:02.675567
Results for the quried mass "59.4"
| Formula | Mass differences | Num. used protons | Num. required extra protons | Atom names |
| C2O2 | 0.356 | 3 | 0 | C1,C3,O7,O8 |
| C2O2 | 0.356 | 3 | 0 | C2,C4,O9,O10 |
| C2O2 | 0.356 | 3 | 1 | C5,C6,O12,O13 |
| C5 | 0.354 | 1 | 0 | C1,C2,C3,C4,C6 |
| C5 | 0.354 | 1 | 0 | C1,C2,C4,C5,C6 |
| C5 | 0.354 | 1 | 0 | C1,C2,C3,C5,C6 |