I.S. EN ISO 7887:2011现行
Water Quality - Examination and Determination of Colour (iso 7887:2011)
出版：National Standards Authority of Ireland
专家解读视频
Describes four different methods, designated A to D, for the examination of colour.
NF EN ISO 7887:2012 - Identical
NS EN ISO 7887:2011 - Identical
SS EN ISO 7887 Ed. 2 (2012) - Identical
UNE EN ISO 7887:1995 - Identical
ONORM EN ISO 7887:2012 - Identical
NEN EN ISO 7887:2012 - Identical
BS EN ISO 7887:2011 - Identical
NBN EN ISO 7887:2012 - Identical
UNE EN ISO 7887:2012 - Identical
SN EN ISO 7887:2012 - Identical
