GB/T 8654.8-1988 Methods for chemical analysis of manganese metal--The infrared absorption method for the determination of carbon content (English Version)
This standard is applicable to the determination of carbon content in metallic manganese and electrolytic metallic manganese. Measuring range: 0.010% to 0.400%.
GB/T 8654.8-1988 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
1988GB/T 8654.8-1988 Methods for chemical analysis of manganese metal--The infrared absorption method for the determination of carbon content
GB/T 8654.8-1988 Methods for chemical analysis of manganese metal--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.