Microplastic nuclide labeling kit

The invention belongs to the technical field of radioactive labeling, and provides a microplastic nuclide labeling kit which comprises a deferoxamine chelating agent, a technetium < 99m > nuclide labeling agent, a reaction buffer solution and a cleaning solution, the method comprises the following specific steps: preparing a micro-plastic sample, and performing pretreatment; modifying with a chelating agent, mixing the micro-plastic sample with deferoxamine, and carrying out chelation reaction; the technetium < 99m > is mixed with the chelating agent modified micro-plastic particles, and a nuclide labeling reaction is carried out; cleaning the marked micro-plastic particles by using a cleaning solution; carrying out experimental verification on the marked micro-plastic particles; according to the microplastic nuclide labeling kit, nuclide labeling of microplastics is achieved, the detection efficiency and accuracy of the microplastics are improved, the microplastic nuclide labeling kit has high stability and