
Leather - Chemical tests - Determination of pH and difference figure
出版:International Organization for Standardization

专家解读视频
This document 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.
UNI EN ISO 4045:2018 - Identical
UNE-EN ISO 4045:2019 - Identical
EN ISO 4045 : 2008 - Identical
BS EN ISO 4045:2018 - Identical
PN-EN ISO 4045:2018-09 - Identical
DS EN ISO 4045:2018 - Identical
DIN EN ISO 4045:2018 - Identical
NF EN ISO 4045:2018 - Identical
EN ISO 4045:2018 - Identical
ONORM EN ISO 4045 :2018 - Identical
SS-EN ISO 4045:2018 - Identical
NEN-EN-ISO 4045:2018 - Identical
SN EN ISO 4045 : 2018 - Identical
NS-EN ISO 4045:2018 - Identical
DS EN ISO 4045:2018 - Identical
EN ISO 4045:2018 - Identical
ONORM EN ISO 4045 :2018 - Identical
PN-EN ISO 4045:2018-09 - Identical
NS-EN ISO 4045:2018 - Identical
EN ISO 4045 : 2008 - Identical
UNI EN ISO 4045:2018 - Identical
UNE-EN ISO 4045:2019 - Identical
DIN EN ISO 4045:2018 - Identical
NF EN ISO 4045:2018 - Identical
SS-EN ISO 4045:2018 - Identical
SN EN ISO 4045 : 2018 - Identical
NEN-EN-ISO 4045:2018 - Identical
BS EN ISO 4045:2018 - Identical