Melamine ELISA test kit 1 ppb for milk safety

Melamine ELISA test kit 1.Test Sensitivity: 1 ppb 2.Specifications : 96 wells 3.Brand: Green Spring 4.MOQ: 1kit

Melamine ELISA Test Kit

Catalog No. LSY-10026 

1. Principle

This test kit is based on the competitive enzyme immunoassay for the detection of Melamine in the sample. The coupling antigen is pre-coated on the micro-well stripes. The Melamine in the sample and the coupling antigens pre-coated on the micro-well stripes compete for anti-Melamine antibodies. After the addition of the enzyme conjugate, the TMB substrate is added for coloration. The optical density (OD) value of the testing sample has a negative correlation with the Melamine concentration in the sample. This value is compared to the standard curve and the Melamine concentration is subsequently obtained.

2. Technical specifications

Sensitivity: 1 ppb 

Detection limit:

Milk powder................................................................................... 20 ppb

Milk............................................................................................... 16 ppb

Milk/Milk powder (Method two).......................................................... 1 ppb

Tissue (chicken, pork, duck, fish, shrimp and liver)............................. 2 ppb

Feed............................................................................................ 100 ppb

Egg............................................................................................... 20 ppb

Serum............................................................................................. 4 ppb

Recovery rate:

Milk/Milk powder........................................................................... 90±15%

Tissue.......................................................................................... 85±10%

Feed............................................................................................ 85±10%

Egg.............................................................................................. 80±10%

Cross-reaction rate:

Melamine......................................................................................... 100%

Cyanuric acid..................................................................................... 60%

Triazine.............................................................................................. <1%

Diamino atrazine................................................................................ <1%

3. Components

1)   Micro-well strips: 12 strips with 8 removable wells each

2)   6× standard solution (1 mL each): 0 ppb,1 ppb, 3 ppb, 9 ppb, 27 ppb, 81 ppb

3)   Enzyme conjugate (7 mL)............................................................... red cap

4)   Antibody working solution (7 mL).................................................. blue cap

5)   Substrate A solution (7 mL).......................................................... white cap

6)   Substrate B solution (7 mL)......................................................... white cap

7)   Stop solution (7 mL).................................................................. yellow cap

8)   20× concentrated washing buffer (40 mL)..................................... white cap

9)   2× concentrated redissolving solution (50 mL)..................... transparent cap

Storage and expiry dateStorage: stored at 2-8°C, not frozen.Expiry date: 12 months; date of production is on the box

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Melamine ELISA test kit 1 ppb for milk safety