Ferrochromium,silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric method
冶金工业信息标准研究院
GB／T 5687的本部分规定了用高氯酸脱水重量法测定硅含量。
本部分适用于铬铁、真空微碳铬铁、氮化铬铁和硅铬合金中硅含量的测定，测定范围（质量分数）:0.10％～60.00％。
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