Conclusions
1. A method for the quantitative evaluation of thin-layer chromatograms of dansylglycine by photographing them and microphotometering the negative obtained has been proposed.
2. The method is applicable to amounts of 1·10−10–1·10−9 mole of dansylglycine per spot with an accuracy of ±3%.
3. It is proposed to obtain dansyl amino acids by using dioxane as solvent, which completely prevents the parasitic formation of dansylamide.
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Khimiya Prirodnykh Soedinenii, Vol. 5, No. 6, pp. 531–535, 1969
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Lapuk, V.K., Strongina, A.A. & Zalesskii, M.Z. Microphotometric determination of 1-dimethylaminonaphthalene-5-sulfonylamino acids with glycine as an example. Chem Nat Compd 5, 450–452 (1969). https://doi.org/10.1007/BF00568588
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DOI: https://doi.org/10.1007/BF00568588