Seasonal Monitoring of Cardiovascular and Antiulcer Agents’ Concentrations in Stream Waters Encompassing a Capital City

Table 3

Linearity, detection limit (DL), and quantitation limit (QL) for each analyzed compound.

Compounds	Linearity (𝑅^2)	DL (ng L^−1)	QL (ng L^−1)
Acebutolol	0.9971	0.2	1
Amlodipine	0.9998	5	10
Atenolol	0.9997	0.2	1
Atorvastatin	0.9992	4	5
Betaxolol	0.9979	1	2
Carvedilol	0.9985	5	10
Cimetidine	0.9924	0.2	1
Enalapril	0.9999	0.2	1
Esmolol	0.9974	5	10
Famotidine	0.9949	1	2
Fluvastatin	0.9979	1	2
Lansoprazole	0.9996	4	10
Lisinopril	0.9985	—	—
Lovastatin	0.9996	3	10
Metoprolol	0.9966	0.2	1
Nifedipine	0.9989	5	15
Nimodipine	0.9991	5	10
Nizatidine	0.9824	1	2
Omeprazole	0.9993	1	2
Oxprenolol	0.9978	3	8
Pantoprazole	0.9952	2	4
Propranolol	0.9975	1	2
Ramipril	0.9997	0.5	2
Ranitidine	0.9841	0.5	2
Simvastatin	0.9989	3	10
Sotalol	0.9985	0.2	1