
Leather. Determination of pH
出版:British Standards Institution

专家解读视频
Method for determining the pH and the difference figure of an aqueous leather extract.
© British Standards Institution 2013
Replaces notes:
Partially replaces BS 1309:1974.
I.S. EN ISO 4045:1999 - Identical
UNI EN ISO 4045:2000 - Identical
NBN EN ISO 4045:1998 - Identical
NF EN ISO 4045:1998 - Identical
ISO 4045:1977 - Identical
SS EN ISO 4045 Ed. 1 (1999) - Identical
UNE EN ISO 4045:1999 - Identical
ONORM EN ISO 4045:1998 - Identical
DIN EN ISO 4045 (1998-10) - Identical
NEN EN ISO 4045:1998 - Identical
SN EN ISO 4045:1999 - Identical
NS EN ISO 4045 Ed. 1 (1999) - Identical