Application: This rapid test kit(Elisa test kit) can be used in quantitative and qualitative analysis of Norethindrone residual in animal tissue (muscle, liver, fish and shrimp) feed and urine, etc.While this kit is a new product for drug residual detection based on ELISA technology, which only costs 1.5 hours in each operation and can considerably minimize operation errors and work intensity. Test Sensitivity:---0.1ppb Detection limit: Tissue ------1ppb Feed ------50ppb Precision:Variation coefficient of the Elisa test kit is less than 10%. Type:Kit(48/96tests ) Storage: Storage condition:2-8 Storage period:6 months.