Table 3.
Solid-phase extraction of 43 antibiotics mixture.
| Antibiotics | SPE Recovery | Mainly Retained |
|---|---|---|
| Amoxicillin | Poor | MAX |
| Ampicillin | Poor | MAX |
| Cefalexin | Good | MCX |
| Cefquinome sulfate | Poor | MAX/HLB |
| Ceftazidime | Good | MAX |
| Ceftiofur sodium | Good | MAX |
| Cefuroxime | Good | MAX |
| Chloramphenicol | Good | MAX |
| Chlortetracycline hydrochloride | Satisfactory | MAX/HLB |
| Ciprofloxacin | Good | MCX |
| Clindamycin phosphate | Good | MAX |
| Colistin A | Satisfactory | MCX |
| Colistin B | Satisfactory | MCX |
| Doxycycline | Satisfactory | MAX/HLB |
| Enrofloxacin | Satisfactory | MCX |
| Erythromycin | Good | HLB |
| Florfenicol | Good | MAX |
| Gentamicin | Satisfactory | MAX |
| Kanamycin sulfate | Good | MCX |
| Levofloxacin | Good | MCX |
| Lincomycin hydrochloride | Good | MCX |
| Mequindox | Satisfactory | MAX/HLB |
| Meropenem | Poor | MAX/HLB |
| Metronidazole | Good | MCX |
| Neomycin trisulfate salt hydrate | Good | MCX |
| Norfloxacin | Good | MCX |
| Ofloxacin | Good | MCX |
| Oxytetracycline | Satisfactory | MCX |
| Penicillin G sodium salt | Good | MAX |
| Spectinomycin hydrochloride pentahydrate | Satisfactory | MCX |
| Streptomycin sulfate salt | Good | HLB |
| Sulfachloropyridazine | Good | MAX |
| Sulfadiazine | Good | MAX/HLB/MCX |
| Sulfadimidine | Good | MAX/HLB/MCX |
| Sulfamethoxazole | Good | MAX |
| Sulfamonomethoxine | Good | MAX |
| Tetracycline | Good | MCX |
| Tiamulin | Poor | MCX |
| Tilmicosin | Satisfactory | HLB |
| Trimethoprim | Good | MCX |
| Tylosin tartrate salt | Good | HLB |
| Tylvalosin | Good | HLB |
| Vancomycin | Good | MCX |
Concentration of antibiotics mixture: 10 mL, 0.01 mg/mL. Recovery < 25% is considered to be “Poor”; recovery ≥25% and ≤60% is considered to be “Satisfactory”; and recovery >60% is considered to be “Good”.