A Qualitative Survey of Five Antibiotics in a Water Treatment Plant in Central Plateau of Iran

Table 2

Optimal conditions for the analysis of selected antibiotics and related calibration curves.

Compound	ESI	Time segment (min)	𝑚/𝑧 parent ion	𝑚/𝑧 daughter ion	Collision energy (eV)	Fragmentation amplitude (V)	Calibration curves
							Equation, 𝑛^a	𝑅^2
AMP	+	1.86–3.48	350	160	20	90	𝑦=410𝑥−30, 3	0.998
CIP	+	7.33–12.58	332	314	20	110	𝑦=927𝑥+2640, 3	0.993
ENR	+	6.69–13.33	360	316	20	90	𝑦=211𝑥+1437, 3	0.999
OTC	+	1.49–12.87	461	426	20	90	𝑦=78𝑥+71, 3	0.998
TYL	+	2.80–11.87	916	174	35	110	𝑦=709𝑥+697, 3	0.998

aNumber of concentrations for plotting calibration curves.