GB/T 7730.5-2000 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese The infrared absorption method for the determination of carbon content (English Version)
This standard specifies the infrared absorption method for the determination of carbon content. This standard applies to the determination of carbon content in ferromanganese and blast furnace ferromanganese. Measuring range: 0.025% (m/m) ~ 10.00% (m/m).
GB/T 7730.5-2000 history
2008GB/T 5686.5-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of carbon content. The infrared absorption method, the gasometric method, the gravimetric and the coulometric method
2000GB/T 7730.5-2000 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese The infrared absorption method for the determination of carbon content
GB/T 7730.5-2000 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese The infrared absorption method for the determination of carbon content was changed to GB/T 5686.5-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of carbon content. The infrared absorption method, the gasometric method, the gravimetric and the coulometric method.