| 锰铜基高阻尼合金中锌量的测定──硫氰酸盐萃取分离络合滴定法 |
| |
| 引用本文： | 鄂永安.锰铜基高阻尼合金中锌量的测定──硫氰酸盐萃取分离络合滴定法[J].材料开发与应用,1996,11(3):26-29. |
| |
| 作者姓名： | 鄂永安 |
| |
| 作者单位： | 洛阳船舶材料研究所 |
| |
| 摘 要： | 基于甲基异丁基甲酮于稀盐酸介质中定量地萃取Ｚｎ￣（２＋）与ＣＮＳ￣－形成的络阴离子。从而达到与共存的锰、镍、铝、铬的完全分离。在有氟化物、硫脲存在时Ｆｅ￣（３＋）、Ｃｎ￣（２＋）和Ａｇ￣＋也不被萃取。有机相中的锌于ＰＨ５．５“六胺”缓冲介质中返萃取回水相，用ＥＤＴＡ滴定。在文中给定的条件下锌的一次被萃取率可达９９％以上，成功地解决了锰铜基高阻尼合金中共存离子对锌量测定的干扰问题。
|
| 关 键 词： | 高阻尼合金，化学分析，锌的测定，络合滴定法，萃取分离 |
Measurement of zinc content in high damping Mn-Cu alloy──Complexometric titration with exfration separation of thiocyanate |
| |
| E Yongan.Measurement of zinc content in high damping Mn-Cu alloy──Complexometric titration with exfration separation of thiocyanate[J].Development and Application of Materials,1996,11(3):26-29. |
| |
| Authors: | E Yongan |
| |
| Affiliation: | (Luoyang ship Matericals Research Institute |
| |
| Abstract: | ith a measuring method presented in this paper the primary extraction rate of zine under the condition qiven in the paper can reach over 99% and thas eleminating the influence of the coexisting ions in high damping Mn-Cu alloy on the measurment of zine content. |
| |
| Keywords: | High damping alloy Chemical analysis Measurement of zine content Complexometric titration Extraction separation |
| 本文献已被 CNKI 维普 等数据库收录！ |
