I.S. EN 196-21:1990被替代
Methods of Testing Cement - Determination of the Chloride, Carbon Dioxide and Alkali Content of Cement
出版：National Standards Authority of Ireland
專家解讀視頻
Lays down the methods for the determination of the chloride, carbon dioxide and alkali content of cement.
ONORM EN 196-21:1992 - Identical
NEN EN 196-21:1993 - Identical
DIN EN 196-21 (1990-03) - Identical
BS EN 196-21:1992 - Identical
NF EN 196-21:1990 - Identical
NBN EN 196-21:1991 - Identical
UNI EN 196-21:1991 - Identical
NS EN 196-21 Ed. 1 (1990) - Identical
SS EN 196-21 Ed. 1 (2004) - Identical
