Hematoxylin staining solution as well as preparation method and application thereof

The invention discloses hematoxylin staining fluid as well as a preparation method and application thereof. The hematoxylin staining solution is prepared from the following raw materials in percentage by mass: 0.4 percent to 0.6 percent of hematoxylin, 0.02 percent to 0.04 percent of citric acid, 25...

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