
Methods of testing cement. Determination of the chloride, carbon dioxide and alkali content of cement
出版:British Standards Institution

专家解读视频
Describes gravimetric and flame photometer methods.
© British Standards Institution 2013
NS EN 196-21 Ed. 1 (1990) - Identical
UNI EN 196-21:1991 - Identical
I.S. EN 196-21:1990 - Identical
NBN EN 196-21:1991 - Identical
DIN EN 196-21 (1990-03) - Identical
ONORM EN 196-21:1992 - Identical
NEN EN 196-21:1993 - Identical
NF EN 196-21:1990 - Identical
SS EN 196-21 Ed. 1 (2004) - Identical