氯化银分光光度法测定钒铝合金中的氯含量

China Standardization(2020)

Cited 0|Views4
No score
Abstract
本文采用硝酸-氢氟酸溶解试样.在酸性溶液中,氯与硝酸银生成氯化银悬浊液,在波长450nm处测量待测样品和样品空白的吸光度,从工作曲线上查得实际样品的氯含量.在实验条件下,氯离子含量为0~100μg时,和吸光度成线性关系,相关系数为0.9992.按照实验方法测定钒铝合金样品,并通过加标模拟高氯量样品;测定结果的相对标准偏差(RSD,n=11)为2.7%~11.5%,加标回收率为99.6%~102.1%.
More
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined