NEN-EN-ISO 4045
Leather - Chemical tests - Determination of pH
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 2008 |
| Status: | active |
| Page Count: | 17 |
| ICS Code (Leather and furs): | 59.140.30 |
scope:
This International Standard specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
Document History
NEN-EN-ISO 4045
February 1, 2008
Leather - Chemical tests - Determination of pH
This International Standard specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
August 1, 2006
Leather - Chemical tests - Determination of pH
This International Standard specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
September 1, 1998
Leather - Determination of pH
The principle consists in preparation of an aqeous extract from a test portion of the leater, and measurement of the pH of the extract, using a pH meter. The definition of a difference figure of an...