Direct reduced iron—Determination of carbon and sulfur—High frequency combustion with infrared absorption method
MOD ISO 9686:2006
全国铁矿石与直接还原铁标准化技术委员会(SAC/TC 317)
本标准规定了用高频燃烧红外吸收法测定直接还原铁的碳和硫含量。
本标准适用于直接还原铁中碳和硫含量的测定。测定范围（质量分数）：碳0.05%～2.5%、硫0.001%～0.05%。
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