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Quarterly Journal of Microscopical Science, Vol s3-90, 317-321, Copyright © 1949 by Company of Biologists
1 Experimental Station, Porton, Wilts.
A histochemical test for beryllium in paraffin sections is described. A green lake that is formed with beryllium by the dyestuff naphthochrome green B is specific for beryllium under the stated conditions. The test works only with the soluble compounds of beryllium. Deposits of as little as 3 µg. of beryllium can be detected and the distribution in the tissues of mice can be followed after the intravenous injection of 200µg. of beryllium. The applications and limitations of the method are discussed.