GB/T 6730.9-2016 Iron ores.Determination of silicon content.Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate (English Version)
This part of GB/T 6730 specifies the ferrous ammonium sulfate reduction-silicon molybdenum blue spectrophotometric method for the determination of silicon content. This section applies to the determination of silicon content in natural iron ore, iron concentrate, sinter and pellets. Measuring range (mass fraction): 0.10%~5.00%.
GB/T 6730.9-2016 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update