GB/T 6730.9-2006 Iron ores. Determination of silicon contents The silicomolybdic blue spectrophotometric method by ammonium ferrous sulfate (English Version)
Warning: Personnel using this part of GB/T 6730 should have formal laboratory experience. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 6730 specifies the ferrous ammonium sulfate reduction-silicon molybdenum blue spectrophotometric method for the determination of silicon content in iron ore. This standard applies to natural iron ores, iron concentrates and agglomerates, including the determination of silicon content in sintered products. Measuring range (mass fraction): 0.10% to 5.00%.
GB/T 6730.9-2006 Referenced Document
GB/T 10322.1 Iron ore sampling and sample preparation methods*, 2023-08-06 Update