ISO 9998:1991被替代
Water quality - Practices for evaluating and controlling microbiological colony count media used in water quality tests
出版：International Organization for Standardization
專家解讀視頻
Explains a method used for the comparison and evaluation of the same medium prepared from different lots of materials, and deals with the comparison and evaluation of different media which are used for the same purpose.
PN ISO 9998:2002 - Identical
KS I ISO 9998:2008 - Identical
SANS 9998 : 1ED 2004(R2010) - Identical
PN ISO 9998 : 2002 - Identical
SANS 9998 : 1ED 2004(R2010) - Identical
PN ISO 9998 : 2002 - Identical
