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Linear range and lower limit of determination of 55 kinds of veterinary drug residues in pork, beef and lamb

 Last Update: 2021-10-22
 Source: Internet
 Author: User

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1 3 propanediol

2 7 8 inches

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8 Linearity range and lower limit of determination

In the experiment, a matrix-matched external standard standard curve was established in blank samples of pork, beef and lamb, and the standard curve equation was established by the peak area and concentration of the target compound in the matrix
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The results show that the linear correlation of the standard curve is good, and the correlation coefficients of pork, beef and lamb matrix ≥ 0.

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9 Matrix effect assessment

During the analysis process, co-extraction interferences such as fats, proteins and carbohydrates in complex matrices are unavoidable
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They can affect the ionization of the compound in the ion source and enhance or inhibit the response of the compound on the instrument.

Related links: Selection of analysis conditions for determination of 55 kinds of veterinary drug residues in pork, beef and lamb (2)

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