The principle consists in preparation of an aqueous extract from a test portion of the leather, and measurement of the pH of the extract, using a pH meter. The definition of a difference figure of an aqueous leather extract is given. Reagents, apparatus, procedure and the test report are specified.
Текущий статус : WithdrawnДата публикации : 1977-09
Версия : 1
Технический комитет:International Union of Leather Technologists and Chemists Societies