GB/T 6730.61-2005 Translated English of Chinese Standard. (GBT 6730.61-2005, GB/T6730.61-2005, GBT6730.61-2005): Iron ores - Determination of carbon and sulfur content - High frequency combustion with infrared absorption method [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies the determination of carbon and sulfur content in iron ores by high frequency combustion with infrared absorption method. This Standard applies to the determination of carbon and sulfur content in natural iron ores, iron concentrates, sinter, pellets and their products. Determination range (mass fraction): carbon 0.01%~2.5%, sulfur 0.001%~2.0%. |
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3rd digit 4th digit analysis results analysis values apparatus Appendix arithmetic mean Blank test burned and covered calculated calibration curve calibration method obtained carbon and sulfur Carbon content mass carbon standard series content is less content mass fraction content of prepared cover with 0.4 crucible 5.3 determination of carbon Direct reduced iron final result reported g of pure g of tungsten graphical representation Carbon High frequency combustion induction furnace iron flux 4.6 iron ore standard Laboratory glassware Magnesium perchlorate Magnetite neq ISO oxygen pipette Potassium sulfate Power gas source Precision data predried sample Preparation of carbon prepared carbon prepared standard series procedures pure iron flux repeated measurements sample analysis sample calibration method sample preparation Sampling and sample series calibration method Sinter Standard deviation standard sample calibration standard series calibration Sulfur content mass sulfur dioxide sulfur standard series Sulfur standard solution system It includes Table B.1 test report tin tube tungsten particles 4.3