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Quarterly Journal of Microscopical Science, Vol s3-90, 67-74, Copyright © 1949 by Company of Biologists
1 Chester Beatty Research Institute, The Royal Cancer Hospital, London, S.W. 3
A critical study has been made of Feulgen's technique for demonstrating tissue aldehydes. Conditions are given within which the technique is reliable on the cytological scale. Five supplementary tests for aldehydes are described. It is shown how distinction may be made between free aldehyde, acetal aldehyde, and aldehyde formed by oxidation.