“This 1981 photograph depicted a glass dropper bottle containing a Dobell?s iodine solution.
Created by mixing potassium iodide, iodine and distilled water, Dobell?s iodine is sometimes used in the processing of fecal specimen microscopy slides.” Via US Gov’t. Scan of 2 d images in the public domain beleived to be free to use without restriction in the US.

About the Author Marc Ryan

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