Measurement Significance: FDA hydrolysis reaction can be well reactive soil change in soil changes and conversion of organic matter in ecosystems, is soil quality researchOne of the important biological indicators.\u0026 nbsp;
FDA is a colorless compound that can be catalyzed by many soil enzymes in the medium, and is dehydrated, and the fluorescein is produced by enzymatic and hydrolysis.Decomposing, a strong absorption peak at 490 nm, and the FDA hydrolyzed enzyme activity can be calculated by detecting a variation of the absorbance value at 490 nm.\u0026 nbsp; Anti-preparation and instrument:
Balance, low temperature centrifuge, visible spectrophotometer, 1ml glass cuvette, constant temperature water bath.

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