REAGEN Sulfaquinoxaline ELISA kit is a Competitive Enzyme immunoassay for the Quantitative Analysis of Sulfaquinoxaline (SQX) in fish, shrimp, Honey, kidney, liver, Meat (Beef, Chicken and pork), Milk, serum, urine and Water. The unique features of the kit are: Rapid extraction method for various samples with high recovery (> 80%) High sensitivity (0.5 ng / g or ppb) and low detection limit (0.5 ng / g or ppb for shrimp) A quick ELISA assay (less than 2 hours regardless of number of samples) High reproducibility Sample TypeDetection Limit (ng/g or ppb) Fish/Shrimp/Meat/Liver/Kidney0.5 Honey2 Milk5 Serum5 Urine5 Water0.5 AnalytesCross-Reactivity (%) Sulfaquinoxaline100 Sulfamethoxypyridazine70 Sulfadiazine4 Sulfamoxole1 Sulfisoxazole0.5 Sulfathiazole