DIN EN 24829-1:1992
用還原鉬硅酸鹽分光光度法測定鋼和鑄鐵中硅總含量.硅含量在0.05%~1.0%之間(ISO 4829-1:1986)
Determination of total silicon content of steel and cast iron by the reduced molybdosilicate spectrophotometric method; silicon contents between 0,05 and 1,0 % (ISO 4829-1:1986); german version EN 24829-1:1990