ISO 4045:1977 PDF
Leather — Determination of pH
Leather — Determination of pH
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 сентября 1977 г.
- Издание:
- ISO IS 4045 edition 1 version 1
- ICS:
- 59.140.30
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.
Технические детали
- Технический комитет
- IULTCS - International Union of Leather Technologists and Chemists Societies
- SKU
- ISO 4045:1977
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