This standard applies to the determination of carbon content in ferrophosphorus. Measuring range: 0.400% to 1.200%.
GB/T 8705.2-1988 history
1988GB/T 8705.2-1988 Methods for chemical analysis of ferrophosphorus--The gasometric method for the determination of carbon content
GB/T 8705.2-1988 Methods for chemical analysis of ferrophosphorus--The gasometric method for the determination of carbon content was changed to YB/T 5340-2006 Ferrophosphorus Chemical Analysis Method Gas Volumetric Method Determination of Carbon Content.