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用本方法灼燒沉淀測(cè)得高鎳鑄鐵中硅含量和ICP測(cè)定濾液中的殘余硅含量,二者疊加得出總的硅含量;同時(shí)利用濾液測(cè)定鎳含量。本方法測(cè)定的硅、鎳元素含量與標(biāo)準(zhǔn)樣品比較,結(jié)果吻合,且RSD<1%。本方法簡(jiǎn)便快速,結(jié)果準(zhǔn)確可靠,滿足生產(chǎn)檢測(cè)要求。
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Designation: A 743/A 743M –03 Standard Speci?cation for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application 1 This standard is issuedunder the ?xed designation A 743/A 743M; the number immediately following the designation indicates the year of original adoption or, in the caseof revision, the year of last revision. A number in parenthesesindicates the year