This standard specifies the method for determining carbon content by infrared absorption. This standard applies to the determination of carbon content in phosphorus iron. Determination range (mass fraction): 0.025% ~ 1.20%.
YB/T 5339-2015 history
2015YB/T 5339-2015 Ferrophosphorus.Determination of carbon content.The infrared absorption method
2006YB/T 5339-2006 Ferrophosphorus Chemical Analysis Method Infrared Absorption Method Determination of Carbon Content