Conclusion
The determination of the iodine value of U.S.P. anhydrous lanolin is an empirical one. Very close attention is necessary to the various factors concerned in the determination, sample weight, Hanus reagent strength, time, and temperature.
The addition of mercuric acetate will speed up the iodination markedly, but again details of the determination will have to be determined.
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Punnett, P.W., Rebarber, A. The iodine number of lanolin. J Am Oil Chem Soc 29, 414–416 (1952). https://doi.org/10.1007/BF02631491
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DOI: https://doi.org/10.1007/BF02631491