Standard Number: YB/T 4726.4-2021(YB/T4726.4-2021)
Chinese:含铁尘泥 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
English:Determination of silicon content in iron-containing dust and mud Ammonium ferrous sulfate reduction-silica-molybdenum blue spectrophotometric method
Effective Date:2021-10-01
Standard Applicability:This document specifies the method for the determination of silicon content in iron-containing dust sludge by ammonium ferrous sulfate reduction-silicon molybdenum blue spectrophotometric method. This document applies to the determination of silicon content in iron dust sludge, the determination range (mass fraction): 0.10% ~ 5.0%.
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