Preparation method of chloramphenicol-containing fishmeal standard material
A standard substance, chloramphenicol technology, applied in the field of fish meal matrix standard substance preparation, can solve the problems of impact judgment, low throughput, high analysis cost, etc., and achieve the effect of easy promotion, good uniformity and stability, and simple operation
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[0024] Preferred embodiments of the present invention are described below, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0025] In this embodiment, the raw material, that is, a fish sample containing chloramphenicol, needs to be obtained first.
[0026] Candidates for standard substances were obtained by means of feeding. When purchasing tilapia, ensure that the water used for feeding and the fish tank do not contain chloramphenicol. After two weeks of blank feeding, the preliminary detection confirms that the fish meat is a blank sample. Chloramphenicol was added to the water body according to a certain dose, and chloramphenicol was added repeatedly after changing the water body every week, and the animals were continuously raised for 6 weeks.
[0027] 1. Fish sample pretreatment:
[0028] (1) Take positive tilapia, remove fishbon...
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