摘要
本文报导以Ｂａ２＋将样品溶液中的硫酸根（ＳＯ）以硫酸钡形式分离，用等离子体光谱法测定余量Ｂａ２＋，从而间接测得ＳＯ含量的方法。该法操作简便、快速、灵敏、准确，化学干扰和光谱干扰小，可准确测定低至０．２ｍｇ的硫酸根含量。方法适用于各种水样中硫酸根的测定，获得满意结果。
A method for indirect determination of sulphate in water by using ICP-AES has been proposed. the method is based on determination of excess of barium ion in filtrate after the sulphate in the sample is completely precipitated by using a known amount of barium ion. The relative standard deviation(RSD) of this method is 2%,and the recovery is in the range of 99 -101.5%.
出处
《分析科学学报》
CAS
CSCD
1994年第3期58-60,共3页
Journal of Analytical Science
