ISO 2211:1973现行
Liquid chemical products - Measurement of colour in Hazen units (platinum-cobalt scale)
出版：International Organization for Standardization
专家解读视频
UNE 55701:1982 (R2000) - Identical
BS 5339:1976 - Equivalent
BS 135; 458; 805:1977 - Similar
NFT 20 605:1965 - Equivalent
NBN T 02 105:1979 - Identical
JIS K 1352:1993 - Equivalent
JIS K 2410:1988 - Identical
JIS K 2220:2003 - Equivalent
GB/T 23770-2009 - Modified
KS M ISO 2211:2003 - Identical
GB/T 13216-2008 - Modified
