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Determination of sulfonamides in milk by ID-LC-MS/MS

2018    Unsal, Isin Aydin; Tasan, Murat; Gokcen, Taner; Goren, Ahmet C.

In this study, an ID-LC-MS method was developed and validated for the determination of 14 sulfonamides in milk samples. Recovery results were found to be in the range of 91%-114% for milk samples. The relative measurement uncertainty was between 7.5%-12.7%. Validated method was performed on milk samples obtained from market and street vendors. The amount of sulfonamides in the analyzed samples was found to be below the legal limits (Sulfamethazine: 6.46 +/- 0.76 ng/g and sulfisoxazole: 7.3 +/- 0.71 ng/g).