Determination of Tetracycline and Fluoroquinolone Antibiotics at Trace Levels in Sludge and Soil

Table 2

Precursor and product ions, collision energy (CE), and declustering potential (DP).

Compounds	Precursor ion → product ion (CE (eV))	DP (V)
Tetracycline	445 → 410 (25) and 445 → 154 (35)	36
Oxytetracycline	461 → 426 (25) and 461 → 443 (19)	36
Chlortetracycline	479 → 444 (27) and 479 → 462 (23)	36
Minocycline	479 → 441 (27) and 479 → 352 (23)	36
Doxycycline	445 → 428 (23) and 445 → 154 (41)	41
Ciprofloxacin	332 → 288 (23) and 332 → 231 (49)	51
Enrofloxacin	360 → 316 (25) and 360 → 245 (35)	51
Ofloxacin	362 → 261 (35) and 362 → 318 (23)	51
Norfloxacin	320 → 276 (27) and 320 → 231 (51)	61
Danofloxacin	358 → 340 (27) and 358 → 82 (67)	26
Marbofloxacin	363 → 72 (37) and 363 → 320 (23)	21
Orbifloxacin	396 → 295 (33) and 396 → 352 (23)	31
Difloxacin	400 → 356 (25) and 400 → 299 (35)	41