精品文献
镍的用途
高镍铸铁中硅、镍的简单快速测定
高镍铸铁中硅、镍的简单快速测定
用本方法灼烧沉淀测得高镍铸铁中硅含量和ICP测定滤液中的残余硅含量,二者叠加得出总的硅含量;同时利用滤液测定镍含量。本方法测定的硅、镍元素含量与标准样品比较,结果吻合,且RSD<1%。本方法简便快速,结果准确可靠,满足生产检测要求。
ASTMA743M-2003一般用途铁铬、铁铬镍耐腐蚀铸件
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