I.S. EN 24937:1991现行
Steel and Iron - Determination of Chromium Content - Potentiometric or Visual Titration Method (iso 4937:1986)
出版：National Standards Authority of Ireland
专家解读视频
Defines a method for the determination of chromium in steel and iron by potentiometric or visual titration.
NBN EN 24937 : 1993 - Identical
EN 24937 : 1990 COR 1991 - Identical
NF EN 24937 : 1990 - Identical
DIN EN 24937 E : 1992 - Identical
BS EN 24937 : 1991 - Identical
DIN EN 24937 : 1992 - Identical
ISO 4937 : 1986(R2017) - Identical
DIN EN 24937 : 1992 - Identical
ISO 4937 : 1986(R2017) - Identical
BS EN 24937 : 1991 - Identical
UNI EN 24937 : 1992 - Identical
DIN EN 24937 (1992-11) - Identical
BS EN 24937:1991 - Identical
NF EN 24937:1990 - Identical
NBN EN 24937:1993 - Identical
UNI EN 24937:1992 - Identical
SS EN 24937 Ed. 1 (1991) - Identical
