Lime-Free unhairing: Part 4 Influence of unhairing method on dermatan Suplhate and microscopical investigation of Pelt and leather

摘要

The article presents the final research into the system containing NaOH, Na_2S, and a salt such as NaCl, Na_2SO_4 or Na_2 HPO_4 and their influence on the properties of pelt and leather. Here are tow main points Of the investigations: the establishment of dermatan sulphate changes during unhairing and the microscopy Investigation. It was established that the unhairing method influences the amount of dermatan sulphate in pelt.