摘要
研究了直接利用空气－乙炔火焰原子吸收法测定钛中钙。利用锶盐作干扰抑制剂，在不分离钛基体的情况下直接测定钛中微量钙，测定最低含量为０．０５％。多次测定样品回收率在８８％～１０８％之间，相对标准偏差为３．４％。灵敏度比仅使用氧屏蔽时提高了２倍多，且方法简便快速，可适用于钛及某些钛合金中钙的测定。
he determination of calcium in titanium has been studied by direct five atomic absorptation spectrometry.Trace calcium can be directly determined under the condition of no separating titanium matrix by using strontium salt as a interfere inhibitor. The lowest content for the determination is 0.05%. The rates of recovery for the determinations are 88 % ～108 %.The reletive standard deviation is 3.4%. The sensitivity increases by more than a factor of 2, as compared with using oxygen shield. The method is suitable for determinating calcium in titanium and some titanium alloys.
出处
《稀有金属材料与工程》
SCIE
EI
CAS
CSCD
1996年第1期44-47,共4页
Rare Metal Materials and Engineering
