chromous chloride / copper sulfate / manganese chloride / selenious acid / sodium iodide / zinc sulfate
chromous chloride / copper sulfate / manganese chloride / selenious acid / sodium iodide / zinc sulfate
chromous chloride / copper sulfate / manganese chloride / selenious acid / sodium iodide / zinc sulfate
chromous chloride / copper sulfate / manganese chloride / selenious acid / sodium iodide / zinc sulfate