本文件规定了感应炉燃烧后的红外吸收法，用于测定镍铁合金中的碳含量，范围为0004%至2.5%。 该方法适用于正常生产操作。它使用商用设备，使用钢和/或镍铁认证标准物质（CRM）进行校准。交叉引用:ISO 5725-3ISO 5725-1ISO 9556ISO 5725-2购买本文件时可获得的所有现行修改件均包含在购买本文件中。

This document specifies an infrared absorption method after combustion in an induction furnace for the determination of the carbon content in ferronickels in the range of 0,004 % to 2,5 %. The method is applicable to normal production operations. It uses commercially available equipment, which is calibrated using steel and/or ferronickel certified reference materials (CRMs).Cross References:ISO 5725-3ISO 5725-1ISO 9556ISO 5725-2All current amendments available at time of purchase are included with the purchase of this document.