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

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

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(2) Optimization of mass spectrometry conditions

In the multi-residue method of pesticides and veterinary drugs, 0.
1% formic acid aqueous solution and acetonitrile solution are usually used as the liquid mobile phase
.

A 0.

Figure 22-30 Trend of liquid phase gradient

For the selected ion monitoring mode, the monitoring parameters need to be optimized before the experiment to obtain the highest sensitivity and sufficient qualitative points
.

Obtain a full scan mass spectrum of the compound in direct injection mode

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