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Determination method of sulfa drug residues (2)

 Last Update: 2021-09-04
 Source: Internet
 Author: User

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2) Fluorescence detector (FLD)

FLD has strong selectivity and high sensitivity.
It is used for the residual analysis of SAs, and the purification requirements of the sample can be relatively reduced
.

However, SAs has no or only weak fluorescence and cannot be detected directly with FLD.

Costi et al.
reported the use of HPLC-FLD to determine the residual detection method of 8 SAs in animal muscles
.

After the sample was extracted with supramolecular solvent microextraction, it was derivatized with fluorescein in situ, and then determined by HPLC-FLD

Maudens et al.
used HPLC-FLD to detect 12 SAs in honey
.

The sample is acid hydrolyzed, and then purified by LLP and strong cation exchange SPE column, and derivatized after HPLC-FLD column for determination

Related Links: Determination Method of Sulfonamide Drug Residues (1)

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