
Water quality - Determination of free chlorine and total chlorine Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine
出版:International Organization for Standardization

专家解读视频
PN ISO 7393-1:1994 - Identical
NFT 90 037:1987 - Equivalent
BS 6068-2.25:1986 - Identical
NS EN ISO 7393-1 Ed. 1 (2000) - Identical
I.S. EN ISO 7393-1:2000 - Identical
UNI EN ISO 7393-1:2002 - Identical
NF EN ISO 7393-1:2000 - Identical
NBN EN ISO 7393-1:2000 - Identical
DIN 38408-3 (1993-11) - Similar
ONORM EN ISO 7393-1:2000 - Identical
DIN EN ISO 7393-1 (2000-04) - Identical
SS EN ISO 7393-1 Ed. 1 (2000) - Identical
NEN EN ISO 7393-1:2000 - Identical
BS EN ISO 7393-1:2000 - Identical
SN EN ISO 7393-1:2000 - Identical
JIS K 0400-33-10:1999 - Identical
KS I ISO 7393-1:2007 - Identical
UNE EN ISO 7393-1:2000 - Identical