NF EN 13946:2003被替代
Water Quality - Guidance Standard For The Routine Sampling And Pretreatment Of Benthic Diatoms From Rivers
出版：Association Francaise de Normalisation
专家解读视频
Provides a method for the sampling and laboratory preparation of benthic diatoms for water quality assessments.
Indice de Classement: T90-357-1 PR NF EN 13946 January 2001. (02/2002) Supersedes NFT 90 357-1 (10/2003)
ONORM EN 13946:2003 - Identical
NEN EN 13946:2003 - Identical
UNE EN 13946:2004 - Identical
NS EN 13946 Ed. 1 (2003) - Identical
UNI EN 13946:2005 - Identical
I.S. EN 13946:2003 - Identical
NBN EN 13946:2003 - Identical
DIN EN 13946 (2003-09) - Identical
SN EN 13946:2003 - Identical
SS EN 13946 Ed. 1 (2003) - Identical
BS EN 13946:2003 - Identical
