article 4 clenbuterol 4 potentiometry 4 priority journal 4 separation technique 4 AGONISTAS SS-ADRENERGICOS 2 Acetonitrile 2 Adrenergic beta-Agonists 2 Adrenergic beta-Antagonists 2 Alkalinity 2 Alprenolol 2 Amines 2 Analytes 2 Aqueous-organic buffers 2 B-ADRENERGIC AGONISTS 2 Back ground electrolytes 2 Baseline separations 2 Basic drugs 2 Beta-agonists 2 Beta-blockers 2 Brain 2 CLEMBUTEROL 2 CLENBUTEROL 2 Capillary electrophoresis 2 Catecholamines 2 Cationic drugs 2 Ce systems 2 Clenbuterol 2 Column liquid chromatography 2 Copper rods 2