ISO 5663 : 1984(R2017)现行
WATER QUALITY - DETERMINATION OF KJELDAHL NITROGEN - METHOD AFTER MINERALIZATION WITH SELENIUM
出版：International Organization for Standardization
专家解读视频
This International Standard specifies a method for the determination of nitrogen by a Kjeldahl-type method.
BIS IS 1448-158 : 2016 - Identical
NEN ISO 5663 : 1993 - Identical
NFT 90 110 : 1981 - Similar to
NS ISO 5663 : 1ED 1993 - Identical
PN EN 25663 : 2001 - Identical
DS ISO 5663 : 1994 - Identical
