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Linear range and lower limit of determination of levamisole residues in milk and milk powder

 Last Update: 2021-10-10
 Source: Internet
 Author: User

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18.

Dilute with mobile phase and matrix extract respectively to prepare levamisole standard solutions of 2.

Detection limit: Take an appropriate amount of levamisole, add 0.

18.

Using the standard addition method, in the blank sample, add 3 concentration levels of levamisole standard solution, and perform the determination according to this method.

Table 18-5 Levamisole addition recovery and precision test results (n=10)

18.

Under repeatability test conditions, the absolute difference between the two independent test results obtained does not exceed the repeatability limit (r).

Table 18-6 Levamisole content range and repeatability and reproducibility equation

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