扩展通道法ICP-AES测定钢铁中硅、磷、铌、钛

本文在ＩＣＰ－ＡＥＳ所装置的固定通道的基础上，运用改变入射狭射缝角度的办法，扩展了硅，磷，铌和钛元素的测量通道，入射狭缝角度的改变由步进马达控制。

Determination of Si,P,Nb and Ti in Steels by ICP-AES with Offset Profile Additional Lines

This article introduced the increment of measurement channels for the elements silicon,phosphorus,niobium and titanium by changing the entrance slit angle,based on the fixed channels of the ICP AES.The entrance slit angle was controlled by a motor.We determined trace silicon,phosphorus,niobium and titanium in steels,and examined the detection limits,accuracy and precision,and the results were satisfactory.With this method,we could also determine other elements,and widened the applied range of ICP AES.