Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method
全国铁矿石和直接还原铁标准化技术委员会(SAC/TC 317)
本标准规定了用重铬酸钾滴定法测定焊条用还原钛铁矿粉中亚铁含量。
本标准适用于焊条用还原钛铁矿粉中亚铁含量的测定。测定范围（质量分数）：1.00 %~10.00 %。
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