. Cytological technique; the principles underlying routine methods. Histology -- Technique; Cytology -- Technique. 122 CYTOLOGICAL TECHNIQUE behaves towards mordants very much like the latter dye. Its colour (crimson) does not undergo much change when it links itself to aluminium, the mordant most commonly used. One of the best solutions is Mayer's carmalum,^^^ which con- tains carminic acid, potassium alum, and water, with thymol, salicylic acid, or sodium salicylate as disinfectant. It is suitable for use with both sections and whole mounts. It may be used either progressively or regressivel
. Cytological technique; the principles underlying routine methods. Histology -- Technique; Cytology -- Technique. 122 CYTOLOGICAL TECHNIQUE behaves towards mordants very much like the latter dye. Its colour (crimson) does not undergo much change when it links itself to aluminium, the mordant most commonly used. One of the best solutions is Mayer's carmalum,^^^ which con- tains carminic acid, potassium alum, and water, with thymol, salicylic acid, or sodium salicylate as disinfectant. It is suitable for use with both sections and whole mounts. It may be used either progressively or regressively. Potassium alum (5 % aqueous) readily extracts any excess of colour. This is a very easy dye to use, since it lends itself to leisurely progressive colouring. The colour is well maintained in both hydrophil and hydrophobe mounting Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baker, John Randal, 1900-. London, Methuen; New York, Wiley
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